APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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