Cita APA (7a ed.)

Dugdale, K., & Lambert, D. (2011). Smarter selling: How to grow sales by building trusted relationships (2nd ed.). Financial Times Prentice Hall.

Cita Chicago Style (17a ed.)

Dugdale, Keith, y David Lambert. Smarter Selling: How to Grow Sales by Building Trusted Relationships. 2nd ed. Harlow, England ; New York: Financial Times Prentice Hall, 2011.

Cita MLA (8a ed.)

Dugdale, Keith, y David Lambert. Smarter Selling: How to Grow Sales by Building Trusted Relationships. 2nd ed. Financial Times Prentice Hall, 2011.