APA استشهاد

Click, R. L., & Dueing, T. N. (2005). Business process outsourcing: The competitive advantage. John wiley & sons.

استشهاد بنمط شيكاغو

Click, Riek L., و Thomas N. Dueing. Business Process Outsourcing: The Competitive Advantage. New Jersey: John wiley & sons, 2005.

MLA استشهاد

Click, Riek L., و Thomas N. Dueing. Business Process Outsourcing: The Competitive Advantage. John wiley & sons, 2005.