Cita APA (7a ed.)

Etherington, B. (2018). Selling skills for complete amateurs. Marshall Cavendish Business.

Cita Chicago Style (17a ed.)

Etherington, Bob. Selling Skills for Complete Amateurs. Singapore: Marshall Cavendish Business, 2018.

Cita MLA (9a ed.)

Etherington, Bob. Selling Skills for Complete Amateurs. Marshall Cavendish Business, 2018.