APA (7 ম সংস্করণ) উদ্ধৃতি

MEDLEY, D. B., & MEDLEY, D. B. (1984). Programming Principles With Cobol I Don B. Medley And Ronald W. Eaves. South-Western Publishing.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

MEDLEY, Don B., এবং Don B. MEDLEY. Programming Principles With Cobol I Don B. Medley And Ronald W. Eaves. South-Western Publishing, 1984.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

MEDLEY, Don B., এবং Don B. MEDLEY. Programming Principles With Cobol I Don B. Medley And Ronald W. Eaves. South-Western Publishing, 1984.