Gaya APA
PRASETYO, T.
(2009).
MODUL OPERASIONAL FRONT OFFICE 1
.
Jakarta:
Mitra wacana media.
Gaya MLA
PRASETYO, TANJUNG.
"MODUL OPERASIONAL FRONT OFFICE 1".
Jakarta:
Mitra wacana media,
2009.
BK.