Gaya APA
Raghubalan, G., Raghubalan, S. (2007).
Hotel housekeeping : operations and management (ed. 3).
New Delhi:
Oxford University Press.
Gaya MLA
Raghubalan, G.., Raghubalan, Smritee.
"Hotel housekeeping : operations and management".
ed. 3
New Delhi:
Oxford University Press,
2007.
BUKU.