Raghubalan, G., & Raghubalan, S. (2007). Hotel house keeping: Operations and management. Oxford university.
Čikaški stil citiranjaRaghubalan, G., i Smritee Raghubalan. Hotel House Keeping: Operations and Management. New Delhi: Oxford university, 2007.
MLA način citiranjaRaghubalan, G., i Smritee Raghubalan. Hotel House Keeping: Operations and Management. Oxford university, 2007.
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