Gaya APA
Conversation in english 3. (2002).
tempaterbit:
penerbit.
Gaya Chicago
Conversation in english 3.
Edisi.
tempaterbit:
penerbit,
2002.
Text.
Gaya MLA
Conversation in english 3.
Edisi.
tempaterbit:
penerbit,
2002.
Text.
Gaya Turabian
Conversation in english 3.
tempaterbit:
penerbit,
2002.
Print.