Cita APA (7th ed.)

(1990). Problem solving and structured programming in FORTRAN 77 / Elliot B. Koffman, Frank L. Friedman.

Cita Chicago (17th ed.)

Problem Solving and Structured Programming in FORTRAN 77 / Elliot B. Koffman, Frank L. Friedman. 1990.

Cita MLA (9th ed.)

Problem Solving and Structured Programming in FORTRAN 77 / Elliot B. Koffman, Frank L. Friedman. 1990.

Atenció: Aquestes cites poden no estar 100% correctes.