Gaya APA
HARYADI, J.
(2006).
Operasional Room Boy di Patra Convention Hotel Semarang
.
Surakarta:
STP Sahid Surakarta.
Gaya MLA
HARYADI, Joko.
"Operasional Room Boy di Patra Convention Hotel Semarang".
Surakarta:
STP Sahid Surakarta,
2006.
Text.