Singhal, D., & Singhal, K. (2008). Implementing ISO 9001 : 2000 quality management system: A reference guide (Eastern economy ed.). PHI Learning Private.
Chicago Style (17th ed.) CitationSinghal, Divya, and K.R Singhal. Implementing ISO 9001 : 2000 Quality Management System: A Reference Guide. Eastern economy ed. New Delhi: PHI Learning Private, 2008.
MLA引文Singhal, Divya, and K.R Singhal. Implementing ISO 9001 : 2000 Quality Management System: A Reference Guide. Eastern economy ed. PHI Learning Private, 2008.
警告：這些引文格式不一定是100％准確.