Cita APA (7a ed.)

Hanan, M. (2011). Consultative selling: The Hanan formula for high-margin sales at high levels (8th ed.). AMACOM.

Cita Chicago Style (17a ed.)

Hanan, Mack. Consultative Selling: The Hanan Formula for High-margin Sales at High Levels. 8th ed. New York: AMACOM, 2011.

Cita MLA (9a ed.)

Hanan, Mack. Consultative Selling: The Hanan Formula for High-margin Sales at High Levels. 8th ed. AMACOM, 2011.