APA (7e ed.) Bronvermelding

Não informado. (1955). British union-catalogue of periodicals. Butterworths.

Chicago (17e ed.) Bronvermelding

Não informado. British Union-catalogue of Periodicals. London: Butterworths, 1955.

MLA (8e ed.) Bronvermelding

Não informado. British Union-catalogue of Periodicals. Butterworths, 1955.

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