Cianfrani, C. A., Tsiakals, J. J., & West, J. (2009). ISO 9001: 2008 explained (Third edition.). ASQ Quality Press.
Lua i Stíl Chicago (17ú heag.)Cianfrani, Charles A., Joseph J. Tsiakals, agus Jack West. ISO 9001: 2008 Explained. Third edition. Milwaukee, Wisconsin: ASQ Quality Press, 2009.
Lua MLA (9ú heag.)Cianfrani, Charles A., et al. ISO 9001: 2008 Explained. Third edition. ASQ Quality Press, 2009.
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