Não informado. (1953). Business topics. Michigan State University, Bureau of Business and Economic Research.
Style de citation Chicago (17e éd.)Não informado. Business Topics. East Lansing, Mich: Michigan State University, Bureau of Business and Economic Research, 1953.
Style de citation MLA (8e éd.)Não informado. Business Topics. Michigan State University, Bureau of Business and Economic Research, 1953.
Attention : ces citations peuvent ne pas être correctes à 100%.