Gaya APA
Practical english conversation: work book. (2005).
tempaterbit:
penerbit.
Gaya Chicago
Practical english conversation: work book.
Edisi.
tempaterbit:
penerbit,
2005.
Text.
Gaya MLA
Practical english conversation: work book.
Edisi.
tempaterbit:
penerbit,
2005.
Text.
Gaya Turabian
Practical english conversation: work book.
tempaterbit:
penerbit,
2005.
Print.