Gaya APA
Active english for Indonesia wpr book two.. (1980).
tempaterbit:
penerbit.
Gaya Chicago
Active english for Indonesia wpr book two..
Edisi.
tempaterbit:
penerbit,
1980.
Text.
Gaya MLA
Active english for Indonesia wpr book two..
Edisi.
tempaterbit:
penerbit,
1980.
Text.
Gaya Turabian
Active english for Indonesia wpr book two..
tempaterbit:
penerbit,
1980.
Print.