Etter, D. M. (1990). Structured FORTRAN 77 for engineers and scientists (3rd ed.). Benjamin/Cummings Pub. Co..
Cita Chicago (17th ed.)Etter, D. M. Structured FORTRAN 77 for Engineers and Scientists. 3rd ed. Redwood City, Calif.: Benjamin/Cummings Pub. Co., 1990.
Cita MLA (9th ed.)Etter, D. M. Structured FORTRAN 77 for Engineers and Scientists. 3rd ed. Benjamin/Cummings Pub. Co., 1990.
Atenció: Aquestes cites poden no estar 100% correctes.