Gaya APA
Daily english conversation. (1997).
tempaterbit:
penerbit.
Gaya Chicago
Daily english conversation.
Edisi.
tempaterbit:
penerbit,
1997.
Text.
Gaya MLA
Daily english conversation.
Edisi.
tempaterbit:
penerbit,
1997.
Text.
Gaya Turabian
Daily english conversation.
tempaterbit:
penerbit,
1997.
Print.