एपीए उद्धरण

Raghubalan, G., & Raghubalan, S. (2007). Hotel house keeping: Operations and management. Oxford university.

शिकागो स्टाइल उद्धरण

Raghubalan, G., और Smritee Raghubalan. Hotel House Keeping: Operations and Management. New Delhi: Oxford university, 2007.

एमएलए उद्धरण

Raghubalan, G., और Smritee Raghubalan. Hotel House Keeping: Operations and Management. Oxford university, 2007.