Gaya APA
Active english for Indonesia wpr book one. (1979).
tempaterbit:
penerbit.
Gaya Chicago
Active english for Indonesia wpr book one.
Edisi.
tempaterbit:
penerbit,
1979.
Text.
Gaya MLA
Active english for Indonesia wpr book one.
Edisi.
tempaterbit:
penerbit,
1979.
Text.
Gaya Turabian
Active english for Indonesia wpr book one.
tempaterbit:
penerbit,
1979.
Print.