APA (7e ed.) Bronvermelding

Não informado. (1968). World Health Statistics Report. World Health Organization.

Chicago (17e ed.) Bronvermelding

Não informado. World Health Statistics Report. Geneva, Suíça: World Health Organization, 1968.

MLA (8e ed.) Bronvermelding

Não informado. World Health Statistics Report. World Health Organization, 1968.

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