Instituto Brasileiro de Informação em Ciência e Tecnologia

Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1962). Half-yearly progress report. West African Cocoa Research Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Half-yearly Progress Report. Tafo, Gana: West African Cocoa Research Institute, 1962.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Half-yearly Progress Report. West African Cocoa Research Institute, 1962.