1. Affonso, L. O. A. (2006). Machinery failure analysis handbook. Houston, TX: Gulf Publishing Company.
2. American Institute of Chemical Engineers. (2009). Inherently safer chemical processes: A life cycle approach (2nd ed.). New York, NY: Center for Chemical Process Safety.
3. Andreasen, M. M., & Hein, L. (1987). Integrated product development. Bedford: IFS.
4. Apple Inc (2010). Statement by Apple on White iPhone 4. Apple. Resource document. http://www.apple.com/pr/library/2010/07/23iphonestatement.html . Accessed 5 January 2011.
5. Barella, S., Cincera, S., Boniardi, M., Bellogini, M., Gelati, S., & Montanari, A. (2011). Failure Analysis of Tuna Cans. Journal of Failure Analysis and Prevention, 11(4), 446–451.