Gaya APA
NINGRUM, A, S. (2015).
OJT Food And Baverage Service Sheraton Mustika Yogyakarta .
Surakarta:
STP Sahid Surakarta.
Gaya MLA
NINGRUM, Anis, Sulistyo.
"OJT Food And Baverage Service Sheraton Mustika Yogyakarta".
Surakarta:
STP Sahid Surakarta,
2015.
Text.