Sinha, J. (1977). Principles of marketing and salesmanship (11th ed.). R, chand &com.
Chicago Stili AlıntıSinha, J.C. Principles of Marketing and Salesmanship. 11th ed. New Delhi: R, chand &com, 1977.
MLA AlıntıSinha, J.C. Principles of Marketing and Salesmanship. 11th ed. R, chand &com, 1977.
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