Cita APA (7a ed.)

Tovey, D. (2012). Principled selling: How to win more business without selling your soul. Kogan Page.

Cita Chicago Style (17a ed.)

Tovey, David. Principled Selling: How to Win More Business Without Selling Your Soul. London ; Philadelphia: Kogan Page, 2012.

Cita MLA (8a ed.)

Tovey, David. Principled Selling: How to Win More Business Without Selling Your Soul. Kogan Page, 2012.