APA (7th ed.) Zitazioa

Health (Time Inc. Health). Meredith Corporation.

Chicago Style (17th ed.) Zitazioa

Health (Time Inc. Health). Meredith Corporation.

MLA (9th ed.) Zitazioa

Health (Time Inc. Health). Meredith Corporation.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.