APA aipamena

BARRELL, A. (1993). Executive Networking. Direktor Books.

Chicago Style aipamena

BARRELL, Alan. Executive Networking. Direktor Books, 1993.

MLA aipamena

BARRELL, Alan. Executive Networking. Direktor Books, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.