Gaya APA
SETIAWAN, E. (2010).
The role of bellboy in improving service quality in Lor In hotel business resort and spa .
:
Universitas Sebelas Maret.
Gaya MLA
SETIAWAN, Erick.
"The role of bellboy in improving service quality in Lor In hotel business resort and spa".
:
Universitas Sebelas Maret,
2010.
TA.