Gaya APA
English For Communication Purposes. (2016).
Yogyakarta:
Deepublish.
Gaya Chicago
English For Communication Purposes.
.
Yogyakarta:
Deepublish,
2016.
Text.
Gaya MLA
English For Communication Purposes.
.
Yogyakarta:
Deepublish,
2016.
Text.
Gaya Turabian
English For Communication Purposes.
Yogyakarta:
Deepublish,
2016.
Print.