Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

Friedman, Frank L., i Elliot B. Koffman. Problem Solving and Structured Programming in FORTRAN. 2nd ed. Addison-Wesley, 1981.