Cita APA (7a ed.)

Schiggman, S. (2010). Selling When No One is Buying (5th.). Kogan Page.

Cita Chicago Style (17a ed.)

Schiggman, Stephan. Selling When No One Is Buying. 5th. India: Kogan Page, 2010.

Cita MLA (9a ed.)

Schiggman, Stephan. Selling When No One Is Buying. 5th. Kogan Page, 2010.