Manning, G. L., & Reece, B. L. (2001). Selling today: Building quality partnerships (8th ed.). Prentice Hall ; Pearson Education.
Chicago-viite (17. p.)Manning, Gerald L., ja Barry L. Reece. Selling Today: Building Quality Partnerships. 8th ed. Upper Saddle River, New Jersey : New Delhi: Prentice Hall ; Pearson Education, 2001.
MLA-viite (8. p.)Manning, Gerald L., ja Barry L. Reece. Selling Today: Building Quality Partnerships. 8th ed. Prentice Hall ; Pearson Education, 2001.
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