Gaya APA
SUSANTO, . (2001).
Operasional Kerja Housekeeping Department Hotel Century Saphir Yogyakarta .
Surakarta:
STP Sahid Surakarta.
Gaya MLA
SUSANTO, .
"Operasional Kerja Housekeeping Department Hotel Century Saphir Yogyakarta".
Surakarta:
STP Sahid Surakarta,
2001.
Text.