APA aipamena

v Rajaraman. (1983). Computer Programming in cobol. India.

Chicago Style aipamena

v Rajaraman. Computer Programming in Cobol. India, 1983.

MLA aipamena

v Rajaraman. Computer Programming in Cobol. India, 1983.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.