APA aipamena

McDowell, T. (2009). Disappointing advertisement. College of Family Physicians of Canada.

Chicago Style aipamena

McDowell, Tim. Disappointing Advertisement. College of Family Physicians of Canada, 2009.

MLA aipamena

McDowell, Tim. Disappointing Advertisement. College of Family Physicians of Canada, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.