Cita APA (7a ed.)

Hanan, M. (2004). Consultative selling: The Hanan formula for high-margin sales at high levels (7th ed.). AMACOM.

Cita Chicago Style (17a ed.)

Hanan, Mack. Consultative Selling: The Hanan Formula for High-margin Sales at High Levels. 7th ed. New York: AMACOM, 2004.

Cita MLA (8a ed.)

Hanan, Mack. Consultative Selling: The Hanan Formula for High-margin Sales at High Levels. 7th ed. AMACOM, 2004.