Gaya APA
Sumanto. (2012).
Road to english conversation .
Yogyakarta:
Pustaka Pelajar.
Gaya Chicago
Sumanto.
Road to english conversation.
Yogyakarta:
Pustaka Pelajar,
2012.
Text.
Gaya MLA
Sumanto.
Road to english conversation.
Yogyakarta:
Pustaka Pelajar,
2012.
Text.
Gaya Turabian
Sumanto.
Road to english conversation.
Yogyakarta:
Pustaka Pelajar,
2012.
Print.