Evans, E. (1999). Mastering Negotiations. Thorogood Publishing Ltd.
Cita Chicago Style (17a ed.)Evans, Eric. Mastering Negotiations. Thorogood Publishing Ltd, 1999.
Cita MLA (8a ed.)Evans, Eric. Mastering Negotiations. Thorogood Publishing Ltd, 1999.
Precaución: Estas citas no son 100% exactas.