APA (7e ed.) Bronvermelding

Não informado. (1978). Current Bibliography Directory of the Arts and Sciences. Institute for Scientific Information.

Chicago (17e ed.) Bronvermelding

Não informado. Current Bibliography Directory of the Arts and Sciences. Philadelphia, Pa: Institute for Scientific Information, 1978.

MLA (8e ed.) Bronvermelding

Não informado. Current Bibliography Directory of the Arts and Sciences. Institute for Scientific Information, 1978.

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