Wyman, W. F. (1916). Direct exporting: Presenting the problems of the exporting manufacturer. Business Training Corporation.
Cita Chicago Style (17a ed.)Wyman, Walter F. Direct Exporting: Presenting the Problems of the Exporting Manufacturer. New York: Business Training Corporation, 1916.
Cita MLA (9a ed.)Wyman, Walter F. Direct Exporting: Presenting the Problems of the Exporting Manufacturer. Business Training Corporation, 1916.
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