Lousig-Nont, G. M. (Octubre, 1998) What does selling mean anyway? Testing shows ethics a necessary part of sales. Recuperado de: http://0-search.proquest.com.millenium.itesm.mx/
docview/220743288?accountid=11643

Ng, H. (Agosto, 2011) Sales ethics. Recuperado de: http://0-search.proquest.com.millenium.itesm.mx/
docview/883298820?accountid=11643

AMVD (s.f.) Código de ética. Recueprado de: http://www.amvd.org.mx/descargas/Codigo%20de%20Etica%20AMVD%20(Sitio%20WEB).pdf