Gaya APA
Novia. (2009).
Essential English Grammar .
Jakarta:
Gama Press.
Gaya Chicago
Novia.
Essential English Grammar.
Jakarta:
Gama Press,
2009.
Text.
Gaya MLA
Novia.
Essential English Grammar.
Jakarta:
Gama Press,
2009.
Text.
Gaya Turabian
Novia.
Essential English Grammar.
Jakarta:
Gama Press,
2009.
Print.