Παραπομπή APA

Friedman, F. L., & Koffman, E. B. (1977). Problem solving and structured programming in fortran. Addison-wesley publishing.

Παραπομπή Chicago Style

Friedman, Frank L., και Elliot B. Koffman. Problem Solving and Structured Programming in Fortran. Massachusetts: Addison-wesley publishing, 1977.

Παραπομπή MLA

Friedman, Frank L., και Elliot B. Koffman. Problem Solving and Structured Programming in Fortran. Addison-wesley publishing, 1977.