Clothier, P. (1997). Multilevel marketing: A practical guide to successful network selling (3rd ed.). Kogan.
Chicago Stili AlıntıClothier, Peter. Multilevel Marketing: A Practical Guide to Successful Network Selling. 3rd ed. London: Kogan, 1997.
MLA AlıntıClothier, Peter. Multilevel Marketing: A Practical Guide to Successful Network Selling. 3rd ed. Kogan, 1997.
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