Gaya APA
English For Business. (2016).
Yogyakarta:
Araska.
Gaya Chicago
English For Business.
.
Yogyakarta:
Araska,
2016.
Text.
Gaya MLA
English For Business.
.
Yogyakarta:
Araska,
2016.
Text.
Gaya Turabian
English For Business.
Yogyakarta:
Araska,
2016.
Print.