APA (7 वां संस्करण) प्रशस्ति पत्र

Johnston, R., & Shulver, M. C. (2018). Service Operations Management: Improving Service Delivery (4th ed.). Pearson.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Johnston, Robert, और Michael Clark Shulver. Service Operations Management: Improving Service Delivery. 4th ed. India: Pearson, 2018.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Johnston, Robert, और Michael Clark Shulver. Service Operations Management: Improving Service Delivery. 4th ed. Pearson, 2018.