Johnston, R. (2018). Service Operations Management: Improving Service Delivery (4th.). Pearson.
Chicago-referens (17:e uppl.)Johnston, Robert. Service Operations Management: Improving Service Delivery. 4th. Pearson, 2018.
MLA-referens (9:e uppl.)Johnston, Robert. Service Operations Management: Improving Service Delivery. 4th. Pearson, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.