APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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