Gaya APA
RIANJANA, D. (2010).
Operasional Housekeeping Department di The Cangkringan Jogja Villas and Spa .
Surakarta:
STP Sahid Surakarta.
Gaya MLA
RIANJANA, Dony.
"Operasional Housekeeping Department di The Cangkringan Jogja Villas and Spa".
Surakarta:
STP Sahid Surakarta,
2010.
Text.