Gaya APA
Azar, Betty Schrampfer,, Hagen, Stacy A.,. (1981).
Understanding and using English Grammar (fourth edition).
USA:
Pearson Education.
Gaya Chicago
Azar, Betty Schrampfer,, Hagen, Stacy A.,.
Understanding and using English Grammar.
fourth edition
USA:
Pearson Education,
1981.
Buku.
Gaya MLA
Azar, Betty Schrampfer,, Hagen, Stacy A.,.
Understanding and using English Grammar.
fourth edition
USA:
Pearson Education,
1981.
Buku.
Gaya Turabian
Azar, Betty Schrampfer,, Hagen, Stacy A.,.
Understanding and using English Grammar.
fourth edition
USA:
Pearson Education,
1981.
Buku.