Gaya APA
Wantah, I, G.
(1998).
Front Office = Hospitality Guidelines Series
.
Jakarta:
PT. Gramedia Pustaka Utama.
Gaya MLA
Wantah, Ilie, Gabriel.
"Front Office = Hospitality Guidelines Series".
Jakarta:
PT. Gramedia Pustaka Utama,
1998.
Text.