APA (7e ed.) Bronvermelding

BROWN, G. D. (1981). Beyond COBOL; survival in business applications programming. John Wiley.

Chicago (17e ed.) Bronvermelding

BROWN, Gary DeWard. Beyond COBOL; Survival in Business Applications Programming. New York: John Wiley, 1981.

MLA (9e ed.) Bronvermelding

BROWN, Gary DeWard. Beyond COBOL; Survival in Business Applications Programming. John Wiley, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.