Johnston, R., & Shulver, M. C. (2018). Service Operations Management: Improving Service Delivery (4th ed.). Pearson.
Čikaški stil citiranja (17. izdanje)Johnston, Robert, i Michael Clark Shulver. Service Operations Management: Improving Service Delivery. 4th ed. India: Pearson, 2018.
MLA način citiranja (9. izdanje)Johnston, Robert, i Michael Clark Shulver. Service Operations Management: Improving Service Delivery. 4th ed. Pearson, 2018.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.