Johnston, R., & Shulver, M. C. (2018). Service Operations Management: Improving Service Delivery (4th ed.). Pearson.
Chicago-čujuhus (17. p.)Johnston, Robert, juo Michael Clark Shulver. Service Operations Management: Improving Service Delivery. 4th ed. India: Pearson, 2018.
MLA-čujuhus (9. p.)Johnston, Robert, juo Michael Clark Shulver. Service Operations Management: Improving Service Delivery. 4th ed. Pearson, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.