Etter, D. M. (1990). Structured FORTRAN 77 for engineers and scientists (3rd ed.). Benjamin/Cummings Pub. Co..
Lua i Stíl Chicago (17ú heag.)Etter, D. M. Structured FORTRAN 77 for Engineers and Scientists. 3rd ed. Redwood City, Calif.: Benjamin/Cummings Pub. Co., 1990.
Lua MLA (9ú heag.)Etter, D. M. Structured FORTRAN 77 for Engineers and Scientists. 3rd ed. Benjamin/Cummings Pub. Co., 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.