Swanso, M. (Marzo, 2008) Top 10 Outbound Telemarketing Campaign Mistakes. Recuperado de: http://0-search.proquest.com.millenium.itesm.mx/docview
/208155013?accountid=11643

Catal, J. (2002) Presentation Ideas. Telesales Tips from the Trenches. Estados Unidos: Business by Phone.

Sheff, H. (Enero, 2007) Dialing: It's Not Just For Sales Anymore -- Outbound is going through some big changes: telemarketing is leaner and smarter, outbound messaging is being used in innovative ways and more companies are realizing the potential of relationship dialing. Recuperado de: http://0-search.proquest.com.millenium.itesm.mx/
docview/202908087?accountid=11643

Worboys, C. (Diciembre, 2006) How to... integrate telemarketing into a customer contact strategy. Recuperado de: http://0-search.proquest.com.millenium.itesm.mx/
docview/224768157?accountid=11643