Boe, J. (2011) Overcome Objections and Close the Sale. Recuperado de: http://www.johnboe.com/articles/close_the_sale.html
Leung, S. (Enero, 2014) Overcoming Common Sales Objections: Don’t Take No for an Answer. Recuperado de: http://blogs.salesforce.com/company/2014/01/overcoming-common-sales-objections.html
Soskey, G. (Julio, 2013) How to Tackle the Most Common B2B Sales Objections. Recuperado de: http://blog.hubspot.com/marketing/tackling-common-b2b-sales-objections