APA-viite (7. p.)
Hanan, M. (2004). Consultative selling: The Hanan formula for high-margin sales at high levels (7th ed.). AMACOM.
Chicago-viite (17. p.)
Hanan, Mack. Consultative Selling: The Hanan Formula for High-margin Sales at High Levels. 7th ed. New York: AMACOM, 2004.
MLA-viite (9. p.)
Hanan, Mack. Consultative Selling: The Hanan Formula for High-margin Sales at High Levels. 7th ed. AMACOM, 2004.
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