Cita APA (7a ed.)

Connor, T. (2003). Soft sell: The new art of selling (4th.).

Cita Chicago Style (17a ed.)

Connor, Tim. Soft Sell: The New Art of Selling. 4th. Mumbai, 2003.

Cita MLA (9a ed.)

Connor, Tim. Soft Sell: The New Art of Selling. 4th. 2003.