Gaya APA
Listening : advanced. (1988).
tempaterbit:
penerbit.
Gaya Chicago
Listening : advanced.
Edisi.
tempaterbit:
penerbit,
1988.
Text.
Gaya MLA
Listening : advanced.
Edisi.
tempaterbit:
penerbit,
1988.
Text.
Gaya Turabian
Listening : advanced.
tempaterbit:
penerbit,
1988.
Print.