Gaya APA
Prasetiadi, E, S. (2004).
The importance of discipline for improving the staffs performance at Purnama Hotel Batu .
Malang, Jatim:
UNMER.
Gaya MLA
Prasetiadi, Eka, Surya.
"The importance of discipline for improving the staffs performance at Purnama Hotel Batu".
Malang, Jatim:
UNMER,
2004.
Text.