Gaya APA
International english conversations. (2012).
jakarta:
Setia Kawan.
Gaya Chicago
International english conversations.
.
jakarta:
Setia Kawan,
2012.
Text.
Gaya MLA
International english conversations.
.
jakarta:
Setia Kawan,
2012.
Text.
Gaya Turabian
International english conversations.
jakarta:
Setia Kawan,
2012.
Print.