Gaya APA
English In Context Grade IX. (2005).
Malang:
Pribumi Mekar.
Gaya Chicago
English In Context Grade IX.
Cet-1.
Malang:
Pribumi Mekar,
2005.
Text.
Gaya MLA
English In Context Grade IX.
Cet-1.
Malang:
Pribumi Mekar,
2005.
Text.
Gaya Turabian
English In Context Grade IX.
Malang:
Pribumi Mekar,
2005.
Print.