Παραπομπή σε μορφή APA (7η εκδ.)

EAVES, R. W., & EAVES, R. W. (1985). Programming Principles With Cobol Ii Ronald W. Eaves Anddon B. Medley. South-Western Publishing Co.

Παραπομπή σε μορφή Chicago (17η εκδ.)

EAVES, Ronald W., και Ronald W. EAVES. Programming Principles With Cobol Ii Ronald W. Eaves Anddon B. Medley. South-Western Publishing Co, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

EAVES, Ronald W., και Ronald W. EAVES. Programming Principles With Cobol Ii Ronald W. Eaves Anddon B. Medley. South-Western Publishing Co, 1985.