Não informado. (1940). Cocoa Market Report. Gill and Duffus Group.
Style de citation Chicago (17e éd.)Não informado. Cocoa Market Report. London: Gill and Duffus Group, 1940.
Style de citation MLA (8e éd.)Não informado. Cocoa Market Report. Gill and Duffus Group, 1940.
Attention : ces citations peuvent ne pas être correctes à 100%.