APA (7e ed.) Bronvermelding

Não informado. (1934). PROFESSIONAL PHOTOGRAPHER. [s.n.].

Chicago (17e ed.) Bronvermelding

Não informado. PROFESSIONAL PHOTOGRAPHER. Cleveland, Ohio: [s.n.], 1934.

MLA (8e ed.) Bronvermelding

Não informado. PROFESSIONAL PHOTOGRAPHER. [s.n.], 1934.

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