APA استشهاد

Johnston, R. (2008). Service operations management: Improving service delivery (2nd ed.). Pearson.

استشهاد بنمط شيكاغو

Johnston, Robert. Service Operations Management: Improving Service Delivery. 2nd ed. New Delhi: Pearson, 2008.

MLA استشهاد

Johnston, Robert. Service Operations Management: Improving Service Delivery. 2nd ed. Pearson, 2008.