APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.