Gaya APA

Wood, G.A.R.. (1975). Cocoa . London: Longman.

Gaya Chicago

Wood, G.A.R.. Cocoa. London: Longman, 1975. .

Gaya MLA

Wood, G.A.R.. Cocoa. London: Longman, 1975. .

Gaya Turabian

Wood, G.A.R.. Cocoa. London: Longman, 1975. .