Tohutoro APA (7th ed.)
Johnston, R., & Clark, G. Service Operations Management: Improving Service Delivery (3a edición.). Financial Times : Prentice Hall.
Tohutoru Kātū Chicago (17th ed.)
Johnston, Robert, me Graham Clark. Service Operations Management: Improving Service Delivery. 3a edición. Harlow, Inglaterra: Financial Times : Prentice Hall.
Tohutoro MLA (9th ed.)
Johnston, Robert, me Graham Clark. Service Operations Management: Improving Service Delivery. 3a edición. Financial Times : Prentice Hall.
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