APA (7e ed.) Bronvermelding

Etter, D. M. (1984). Problem solving with structured FORTRAN 77. The Benjamin/Cummings Pub Co.

Chicago (17e ed.) Bronvermelding

Etter, D. M. Problem Solving with Structured FORTRAN 77. Menlo Park, Calif: The Benjamin/Cummings Pub Co, 1984.

MLA (9e ed.) Bronvermelding

Etter, D. M. Problem Solving with Structured FORTRAN 77. The Benjamin/Cummings Pub Co, 1984.