Παραπομπή σε μορφή APA (7η εκδ.)

Thornton, A. C. (2004). Variation risk managemnetfocusing quality improvements in product development and productionAnna C. Thornton. John Wiley & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Thornton, Anna C. Variation Risk Managemnetfocusing Quality Improvements in Product Development and ProductionAnna C. Thornton. John Wiley & Sons, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

Thornton, Anna C. Variation Risk Managemnetfocusing Quality Improvements in Product Development and ProductionAnna C. Thornton. John Wiley & Sons, 2004.