Gaya APA
English conversation. (2013).
:
Mahirsindo Utama.
Gaya Chicago
English conversation.
.
:
Mahirsindo Utama,
2013.
Text.
Gaya MLA
English conversation.
.
:
Mahirsindo Utama,
2013.
Text.
Gaya Turabian
English conversation.
:
Mahirsindo Utama,
2013.
Print.