Tosdal, H. R. (1957). Introduction to sales management/4e (4th ed.). Mcgraw Hill.
Chicago Style aipamenaTosdal, Harry R. Introduction to Sales Management/4e. 4th ed. London: Mcgraw Hill, 1957.
MLA aipamenaTosdal, Harry R. Introduction to Sales Management/4e. 4th ed. Mcgraw Hill, 1957.
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