Gaya APA
Winarko, .
(2003).
Staff's profesionalism of Purnama Hotel Batu East Java
.
Malang, Jatim:
UNMER.
Gaya MLA
Winarko, .
"Staff's profesionalism of Purnama Hotel Batu East Java".
Malang, Jatim:
UNMER,
2003.
Text.