APA (7e ed.) Bronvermelding

Não informado. (1971). Nation's Health. American Public Health Association.

Chicago (17e ed.) Bronvermelding

Não informado. Nation's Health. New York: American Public Health Association, 1971.

MLA (8e ed.) Bronvermelding

Não informado. Nation's Health. American Public Health Association, 1971.

Let op: Deze citaties zijn niet altijd 100% accuraat.