APA Style
Orbani, L.
(2017).
Housekeeping Passport : Manajemen Operasional Housekeeping
.
Yogyakarta:
Andi.
MLA Style
Orbani, Ludfi.
"Housekeeping Passport : Manajemen Operasional Housekeeping".
Yogyakarta:
Andi,
2017.
Informatika.