Gaya APA
Sobari ,muhammad. (1993).
Everyday conversational .
Yogyakarta:
Pustaka Pelajar.
Gaya Chicago
Sobari ,muhammad.
Everyday conversational.
Yogyakarta:
Pustaka Pelajar,
1993.
Text.
Gaya MLA
Sobari ,muhammad.
Everyday conversational.
Yogyakarta:
Pustaka Pelajar,
1993.
Text.
Gaya Turabian
Sobari ,muhammad.
Everyday conversational.
Yogyakarta:
Pustaka Pelajar,
1993.
Print.