APA (7e ed.) Bronvermelding

Não informado. (1962). International commerce. Bureau of International Commerce.

Chicago (17e ed.) Bronvermelding

Não informado. International Commerce. Washington: Bureau of International Commerce, 1962.

MLA (8e ed.) Bronvermelding

Não informado. International Commerce. Bureau of International Commerce, 1962.

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