Gaya APA
Nurbaiti, P. (2004).
Keep-in-touch strategy in front office department at Tugu Hotel Malang .
Malang, Jatim:
UNMER.
Gaya MLA
Nurbaiti, Puji.
"Keep-in-touch strategy in front office department at Tugu Hotel Malang".
Malang, Jatim:
UNMER,
2004.
Text.