Dawson, R. (1995). Secrets of power negotiating. [s.n.].
Cita Chicago Style (17a ed.)Dawson, Roger. Secrets of Power Negotiating. [S.l.]: [s.n.], 1995.
Cita MLA (9a ed.)Dawson, Roger. Secrets of Power Negotiating. [s.n.], 1995.
Precaución: Estas citas no son 100% exactas.