APA (7e ed.) Bronvermelding

Não informado. (1978). World Health Statistics Quarterly. World Health Organization.

Chicago (17e ed.) Bronvermelding

Não informado. World Health Statistics Quarterly. Geneva, Suíça: World Health Organization, 1978.

MLA (8e ed.) Bronvermelding

Não informado. World Health Statistics Quarterly. World Health Organization, 1978.

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