Zott, C., Amit, R., & Massa, L. (2011). The Business Model: Recent developments and future research. Recuperado el Octubre de 2011, de Wharton University of Pennsylvania-Management Department- Journal of management: http://www-management.wharton.upenn.edu/amitresearch/docs/2011/BusinessModelRecDevs_Amit-Zott_JoM2011.pdf.