Não informado. (1953). Business topics. Michigan State University, Bureau of Business and Economic Research.
Chicagoスタイル(17版)引用形式Não informado. Business Topics. East Lansing, Mich: Michigan State University, Bureau of Business and Economic Research, 1953.
MLA(8版)引用形式Não informado. Business Topics. Michigan State University, Bureau of Business and Economic Research, 1953.
警告: この引用は必ずしも正確ではありません.