Johnston, R. (2018). Service operations management (4th.). Pearson / Noida.
Čikaški stil citiranja (17. izdanje)Johnston, Robert. Service Operations Management. 4th. Pearson / Noida, 2018.
MLA način citiranja (9. izdanje)Johnston, Robert. Service Operations Management. 4th. Pearson / Noida, 2018.
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