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