Não informado. (1941). Annual Coffee Statistics. Pan-American Coffee Bureau.
Style de citation Chicago (17e éd.)Não informado. Annual Coffee Statistics. New York: Pan-American Coffee Bureau, 1941.
Style de citation MLA (8e éd.)Não informado. Annual Coffee Statistics. Pan-American Coffee Bureau, 1941.
Attention : ces citations peuvent ne pas être correctes à 100%.