Παραπομπή σε μορφή APA (7η εκδ.)

Johnston, R., & Clark, G. (2005). Service operations management: Improving service delivery. Financial Times Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johnston, Robert, και Graham Clark. Service Operations Management: Improving Service Delivery. Harlow, England: Financial Times Prentice Hall, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Johnston, Robert, και Graham Clark. Service Operations Management: Improving Service Delivery. Financial Times Prentice Hall, 2005.