[1] Wulf, W. January 1980. Trends in the Design and Implementation of Languages. IEEE Computer vol.13(1), p.15.
[2] Birtwistle, G., Dahl, O-J., Myhrhaug, В. and Nygard, K. 1979. Simula begin. Lund, Sweden: Studentlitteratur.
[3] Schmucker, K. 1986. Object-oriented Programming for the Macintosh. Hasbrouk Heights, NJ: Hayden, p.346.
[4] LaLonde, W. and Pugh, J. 1990. Inside Smalltalk, Volumes 1 and 2. Englewood Cliffs, New Jersey: Prentice-Hall.
[5] Ingalls, D. The Smalltalk-76 Programming System Design and Implementation. Proceedings of the Fifth Annual ACM Symposium on Principles of Programming Languages, ACM, p.9.
[6] Borning, A. and Ingalls, D. 1982. Multiple Inheritance in Smalltalk-80. Proceedings of the National Conference on Artificial Intelligence. Meno Park, CA: AAAI.
[7] Goldberg, A. and Robson, D. 1989. Smalltalk-80: The Language. Reading, MA: Addison-Wesley.
[8] Goldberg, A. 1984. Smalltalk-80: The Interactive Programming Environment. Reading, MA: Addison-Wesley.
[9] Krasner, G. 1983. Smalltalk-80: Bits of History. Words of Advice. Reading, MA: Addison-Wesley.
[10] LaLonde, 1990.
[11] Schmucker, K. August 1986. Object-Oriented Languages for the Macintosh. Byte vol.11 (8), р. 179.
[12] Macintosh Programmer's Workshop Pascal 3.0 Reference. 1989. Cupertino, CA: Apple Computer.
[13] Stroustrup, B. 1986. The C++ Programming Language, Second Edition. Reading, MA: Addison-Wesley, p.4.
[14] Gorlen, K. 1989. An Introduction to C++, in UNIX System VAT&T C++ Language System, Release 2.0 Selected Readings. Murray Hill, NJ: AT&T Bell Laboratories, p.2-1.
[15] Ellis, M. and Stroustrup, B. 1990. The Annotated C++ Reference Manual. Reading, Massachusetts: Addison-Wesley Publishing Company.
[16] Stroustrup, B. 1991. The C++ Programming Language, Second Edition. Reading, MA: Addison-Wesley.
[17] Keene, S. 1989. Object-oriented Programming in Common Lisp. Reading, MA: Addison-Wesley, p.215.
[18] Bobrow, D. 1990. Private communication.
[19] Bobrow, D., DeMichiel, L., Gabriel, R., Keene, S., Kiczales, G. and Moon, D. September 1988. Common Lisp Object System Specification X3J13 Document 88-002R. SIGPLAN Notices vol.23.
[20] Reference Manual for the Ada Programming Language. February 1983. Washington, D.C.: Department of Defence, Ada Joint Program Office, p.1-3.
[21] Ibid.
[22] Meyer, B. 1988. Object-oriented Software Construction. New York, NY: Prentice-Hall.
[23] Saunders, J. March/April 1989. A Survey of Object-oriented Programming Languages. Journal of Object-oriented Programming vol.1(6).
[24] Ibid, p.6.