APA-referens (7:e uppl.)

Rule, W. P. (1983). Fortran 77 (4th ed.). Van Nostrand Reinhold Co.

Chicago-referens (17:e uppl.)

Rule, Wilfred P. Fortran 77. 4th ed. New York: Van Nostrand Reinhold Co, 1983.

MLA-referens (9:e uppl.)

Rule, Wilfred P. Fortran 77. 4th ed. Van Nostrand Reinhold Co, 1983.