APA aipamena

Hardy, L. (1962). Marketing for profit. Longmans.

Chicago Style aipamena

Hardy, Leonard. Marketing for Profit. London: Longmans, 1962.

MLA aipamena

Hardy, Leonard. Marketing for Profit. Longmans, 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.