Cita APA (7th ed.)
Hanan, M. (2004). Consultative selling: The Hanan formula for high-margin sales at high levels (7th ed.). AMACOM.
Cita Chicago (17th ed.)
Hanan, Mack. Consultative Selling: The Hanan Formula for High-margin Sales at High Levels. 7th ed. New York: AMACOM, 2004.
Cita MLA (9th ed.)
Hanan, Mack. Consultative Selling: The Hanan Formula for High-margin Sales at High Levels. 7th ed. AMACOM, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.