Dugdale, K., & Lambert, D. (2007). Smarter selling: Next generation sales strategies to meet your buyer's needs, every time. Financial Times Prentice Hall.
Citace podle Chicago (17th ed.)Dugdale, Keith, a David Lambert. Smarter Selling: Next Generation Sales Strategies to Meet Your Buyer's Needs, Every Time. Harlow: Financial Times Prentice Hall, 2007.
Citace podle MLA (8th ed.)Dugdale, Keith, a David Lambert. Smarter Selling: Next Generation Sales Strategies to Meet Your Buyer's Needs, Every Time. Financial Times Prentice Hall, 2007.
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