Παραπομπή σε μορφή APA (7η εκδ.)

Friedman, F. L., & Koffman, E. B. (1981). Problem solving and structured programming in FORTRAN (2d ed.). Addison-Wesley Pub. Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Friedman, Frank L., και Elliot B. Koffman. Problem Solving and Structured Programming in FORTRAN. 2d ed. Reading, Mass.: Addison-Wesley Pub. Co., 1981.

Παραπομπή σε μορφή MLA (9th εκδ.)

Friedman, Frank L., και Elliot B. Koffman. Problem Solving and Structured Programming in FORTRAN. 2d ed. Addison-Wesley Pub. Co., 1981.