Gaya APA
Azar, Betty S, Hagen, Stacy A. (2009).
Understanding And Using English Grammar (ed.4).
Amerika:
Pearson Longman.
Gaya Chicago
Azar, Betty S, Hagen, Stacy A.
Understanding And Using English Grammar.
ed.4
Amerika:
Pearson Longman,
2009.
Text.
Gaya MLA
Azar, Betty S, Hagen, Stacy A.
Understanding And Using English Grammar.
ed.4
Amerika:
Pearson Longman,
2009.
Text.
Gaya Turabian
Azar, Betty S, Hagen, Stacy A.
Understanding And Using English Grammar.
ed.4
Amerika:
Pearson Longman,
2009.
Print.