Johnston, R. (2008). Service operations management: Improving service delivery (2nd ed.). Pearson.
Chicago ZitierstilJohnston, Robert. Service Operations Management: Improving Service Delivery. 2nd ed. New Delhi: Pearson, 2008.
MLA ZitierstilJohnston, Robert. Service Operations Management: Improving Service Delivery. 2nd ed. Pearson, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.