D.M, E. (1984). Problem solving with structured FORTRAN 77. The Benjamin/Cummings Pub. Co..
Chicago-referens (17:e uppl.)D.M, Etter. Problem Solving with Structured FORTRAN 77. Calif: The Benjamin/Cummings Pub. Co., 1984.
MLA-referens (9:e uppl.)D.M, Etter. Problem Solving with Structured FORTRAN 77. The Benjamin/Cummings Pub. Co., 1984.