APA (7e ed.) Bronvermelding

Não informado. (1960). International Bibliography of the Social Sciences. Unesco, International Committee for Social Sciences Documentation.

Chicago (17e ed.) Bronvermelding

Não informado. International Bibliography of the Social Sciences. Paris: Unesco, International Committee for Social Sciences Documentation, 1960.

MLA (8e ed.) Bronvermelding

Não informado. International Bibliography of the Social Sciences. Unesco, International Committee for Social Sciences Documentation, 1960.

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