APA (7e ed.) Bronvermelding

National Council of Social Service. (1966). Social welfare directories, and how to prepare them.

Chicago (17e ed.) Bronvermelding

National Council of Social Service. Social Welfare Directories, and How to Prepare Them. London, 1966.

MLA (9e ed.) Bronvermelding

National Council of Social Service. Social Welfare Directories, and How to Prepare Them. 1966.

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