APA-referens (7:e uppl.)

Koffman, E. B., & Friedman, F. L. (1979). Problem solving and structured programming in BASIC. Addison-Wesley.

Chicago-referens (17:e uppl.)

Koffman, Elliot B., och Frank L. Friedman. Problem Solving and Structured Programming in BASIC. Reading: Addison-Wesley, 1979.

MLA-referens (9:e uppl.)

Koffman, Elliot B., och Frank L. Friedman. Problem Solving and Structured Programming in BASIC. Addison-Wesley, 1979.