Não informado. (1973). Annual Report. International Cocoa Organization.
Chicagoスタイル(17版)引用形式Não informado. Annual Report. London: International Cocoa Organization, 1973.
MLA(8版)引用形式Não informado. Annual Report. International Cocoa Organization, 1973.
警告: この引用は必ずしも正確ではありません.