APA (7e ed.) Bronvermelding

Não informado. (1981). Coffee and Cocoa International. International Trade Publications.

Chicago (17e ed.) Bronvermelding

Não informado. Coffee and Cocoa International. London: International Trade Publications, 1981.

MLA (8e ed.) Bronvermelding

Não informado. Coffee and Cocoa International. International Trade Publications, 1981.

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