C A Thorold. (1975). Diseases of cocoa. Oxford: Clarendon.
Chicago Style aipamenaC A Thorold. Diseases of Cocoa. Oxford: Clarendon, 1975.
MLA aipamenaC A Thorold. Diseases of Cocoa. Oxford: Clarendon, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.