Gaya APA
Mertayasa, I, G, A.
(2012).
Food & Beverage Service Operation Job Preparation
.
Yogyakarta:
Andi.
Gaya MLA
Mertayasa, I, Gede, Agus.
"Food & Beverage Service Operation Job Preparation".
Yogyakarta:
Andi,
2012.
Pariwisata.