APA-referens

 Thornton, A. (2004).  Variation risk management: Focusing quality improvements in product development and production.  Wiley.

Chicago-stil citat

 Thornton, Anna.  Variation Risk Management: Focusing Quality Improvements in Product Development and Production.  Wiley, 2004.

MLA-referens

 Thornton, Anna.  Variation Risk Management: Focusing Quality Improvements in Product Development and Production.  Wiley, 2004.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.