APA استشهاد

Couger J.Daniel. (1981). First course in data processing with basic cobol, fortran and rpg (2nd Ed.). John Wiley.

استشهاد بنمط شيكاغو

Couger J.Daniel. First Course in Data Processing with Basic Cobol, Fortran and Rpg. 2nd Ed. New York: John Wiley, 1981.

MLA استشهاد

Couger J.Daniel. First Course in Data Processing with Basic Cobol, Fortran and Rpg. 2nd Ed. John Wiley, 1981.