APA (7e ed.) Bronvermelding

Não informado. (1943). Economics newsletter. National Planning Association.

Chicago (17e ed.) Bronvermelding

Não informado. Economics Newsletter. Washington: National Planning Association, 1943.

MLA (8e ed.) Bronvermelding

Não informado. Economics Newsletter. National Planning Association, 1943.

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