APA (7e ed.) Bronvermelding

Não informado. (1971). Child care quarterly. Behavioral Publications.

Chicago (17e ed.) Bronvermelding

Não informado. Child Care Quarterly. New York: Behavioral Publications, 1971.

MLA (8e ed.) Bronvermelding

Não informado. Child Care Quarterly. Behavioral Publications, 1971.

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