Gaya APA
Krisna,Johan. (2010).
Compact English Grammar .
Surabaya:
Remaja Rosdakarya.
Gaya Chicago
Krisna,Johan.
Compact English Grammar.
Surabaya:
Remaja Rosdakarya,
2010.
Text.
Gaya MLA
Krisna,Johan.
Compact English Grammar.
Surabaya:
Remaja Rosdakarya,
2010.
Text.
Gaya Turabian
Krisna,Johan.
Compact English Grammar.
Surabaya:
Remaja Rosdakarya,
2010.
Print.