Powers, T. (2003). Introduction to the hospitality industry. John Wiley & Sons.
Čikaški stil citiranja (17. izdanje)Powers, Tom. Introduction to the Hospitality Industry. John Wiley & Sons, 2003.
MLA način citiranja (8. izdanje)Powers, Tom. Introduction to the Hospitality Industry. John Wiley & Sons, 2003.
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