Cita APA (7th ed.)
Etherington, B. (2008). Negotiating skills for virgins. Marshall Cavendish Business.
Cita Chicago (17th ed.)
Etherington, Bob. Negotiating Skills for Virgins. London: Marshall Cavendish Business, 2008.
Cita MLA (9th ed.)
Etherington, Bob. Negotiating Skills for Virgins. Marshall Cavendish Business, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.