Gaya APA
Kartajaya, H. (2009).
The Official MIM Academy Coursebook Service Operation (Ed.1).
Jakarta:
Esensi Erlangga Grup.
Gaya MLA
Kartajaya, Hermawan.
"The Official MIM Academy Coursebook Service Operation".
Ed.1
Jakarta:
Esensi Erlangga Grup,
2009.
Text.