Koffman, E. B., & Friedman, F. L. (1979). Problem solving and structured programming in BASIC. Addison-Wesley.
Chicago Style (17th ed.) ZitazioaKoffman, Elliot B., eta Frank L. Friedman. Problem Solving and Structured Programming in BASIC. Reading: Addison-Wesley, 1979.
MLA (9th ed.) ZitazioaKoffman, Elliot B., eta Frank L. Friedman. Problem Solving and Structured Programming in BASIC. Addison-Wesley, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.