Gaya APA
Azar, Betty Schrampfer,. (2002).
Understanding and Using English Grammar ; Third Edition (Third Edition).
USA:
Longman.
Gaya Chicago
Azar, Betty Schrampfer,.
Understanding and Using English Grammar ; Third Edition.
Third Edition
USA:
Longman,
2002.
Buku.
Gaya MLA
Azar, Betty Schrampfer,.
Understanding and Using English Grammar ; Third Edition.
Third Edition
USA:
Longman,
2002.
Buku.
Gaya Turabian
Azar, Betty Schrampfer,.
Understanding and Using English Grammar ; Third Edition.
Third Edition
USA:
Longman,
2002.
Buku.