APA (7e ed.) Bronvermelding

Não informado. (1937). Bulletin of the Health Organisation. League of Nations.

Chicago (17e ed.) Bronvermelding

Não informado. Bulletin of the Health Organisation. Geneva, Suíça: League of Nations, 1937.

MLA (8e ed.) Bronvermelding

Não informado. Bulletin of the Health Organisation. League of Nations, 1937.

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