APA (7e ed.) Bronvermelding

Não informado. (1970). Social work today. British Association of Social Workers.

Chicago (17e ed.) Bronvermelding

Não informado. Social Work Today. London: British Association of Social Workers, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Social Work Today. British Association of Social Workers, 1970.

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