Tohutoro APA (7th ed.)
Mantyla, K. (1995). Consultative sales power: Achieving continuous success. Crisp Publications.
Tohutoru Kātū Chicago (17th ed.)
Mantyla, Karen. Consultative Sales Power: Achieving Continuous Success. Menlo Park, Calif.: Crisp Publications, 1995.
Tohutoro MLA (9th ed.)
Mantyla, Karen. Consultative Sales Power: Achieving Continuous Success. Crisp Publications, 1995.
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