Não informado. (1962). International commerce. Bureau of International Commerce.
Chicagoスタイル(17版)引用形式Não informado. International Commerce. Washington: Bureau of International Commerce, 1962.
MLA(8版)引用形式Não informado. International Commerce. Bureau of International Commerce, 1962.
警告: この引用は必ずしも正確ではありません.