Smith,, S. (2005). How to sell more stuff: Promotional marketing that really works. Dearborn.
Trích dẫn kiểu ChicagoSmith,, Steve. How to Sell More Stuff: Promotional Marketing That Really Works. Chicago: Dearborn, 2005.
Trích dẫn MLASmith,, Steve. How to Sell More Stuff: Promotional Marketing That Really Works. Dearborn, 2005.
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