APA (7th ed.) Zitazioa

Reader's digest Association. (1992). The good health fact book. Reader's digest association.

Chicago Style (17th ed.) Zitazioa

Reader's digest Association. The Good Health Fact Book. New York: Reader's digest association, 1992.

MLA (9th ed.) Zitazioa

Reader's digest Association. The Good Health Fact Book. Reader's digest association, 1992.