APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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