APA (7e ed.) Bronvermelding

Não informado. (1950). British National Bibliography. British Library, Bibliographic Services Division.

Chicago (17e ed.) Bronvermelding

Não informado. British National Bibliography. London: British Library, Bibliographic Services Division, 1950.

MLA (8e ed.) Bronvermelding

Não informado. British National Bibliography. British Library, Bibliographic Services Division, 1950.

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