APA (7e ed.) Bronvermelding

Não informado. (1958). Health statistics. National Health Survey.

Chicago (17e ed.) Bronvermelding

Não informado. Health Statistics. Washington: National Health Survey, 1958.

MLA (8e ed.) Bronvermelding

Não informado. Health Statistics. National Health Survey, 1958.

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