Παραπομπή σε μορφή APA (7η εκδ.)

Brown, G. D. (1999). Advanced COBOL for structured and object-oriented programming (3rd edition.). John Wiley & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Brown, Gary DeWard. Advanced COBOL for Structured and Object-oriented Programming. 3rd edition. New York: John Wiley & Sons, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Brown, Gary DeWard. Advanced COBOL for Structured and Object-oriented Programming. 3rd edition. John Wiley & Sons, 1999.