APA (7e ed.) Bronvermelding

Não informado. (1999). Social work research. National Association of Social Workers.

Chicago (17e ed.) Bronvermelding

Não informado. Social Work Research. Washington: National Association of Social Workers, 1999.

MLA (8e ed.) Bronvermelding

Não informado. Social Work Research. National Association of Social Workers, 1999.

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