Gaya APA
Azar, Betty S, Hagen, Stacy A. (2011).
Fundamentals of English Grammar (Ed. 4).
Amerika:
Pearson Longman.
Gaya Chicago
Azar, Betty S, Hagen, Stacy A.
Fundamentals of English Grammar.
Ed. 4
Amerika:
Pearson Longman,
2011.
Text.
Gaya MLA
Azar, Betty S, Hagen, Stacy A.
Fundamentals of English Grammar.
Ed. 4
Amerika:
Pearson Longman,
2011.
Text.
Gaya Turabian
Azar, Betty S, Hagen, Stacy A.
Fundamentals of English Grammar.
Ed. 4
Amerika:
Pearson Longman,
2011.
Print.