APA (7e ed.) Bronvermelding

Couger, J. D., & McFadden, F. R. (1981). First course in data processing with BASIC, COBOL, FORTRAN, RPG (Second edition.). John Wiley & Sons.

Chicago (17e ed.) Bronvermelding

Couger, J. Daniel, en Fred R. McFadden. First Course in Data Processing with BASIC, COBOL, FORTRAN, RPG. Second edition. New York: John Wiley & Sons, 1981.

MLA (9e ed.) Bronvermelding

Couger, J. Daniel, en Fred R. McFadden. First Course in Data Processing with BASIC, COBOL, FORTRAN, RPG. Second edition. John Wiley & Sons, 1981.