APA (7e ed.) Bronvermelding

Não informado. (1919). Hospital social service. Hospital Social Service Association of New York City.

Chicago (17e ed.) Bronvermelding

Não informado. Hospital Social Service. New York: Hospital Social Service Association of New York City, 1919.

MLA (8e ed.) Bronvermelding

Não informado. Hospital Social Service. Hospital Social Service Association of New York City, 1919.

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