APA (7e ed.) Bronvermelding

Não informado. (1963). Half-yearly progress report. Cocoa Research Institute of Ghana.

Chicago (17e ed.) Bronvermelding

Não informado. Half-yearly Progress Report. Tafo, Gana: Cocoa Research Institute of Ghana, 1963.

MLA (8e ed.) Bronvermelding

Não informado. Half-yearly Progress Report. Cocoa Research Institute of Ghana, 1963.

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