Gaya APA
Azar, Betty Schrampfer. (1998).
Understanding and Using English Grammar Third Edition with Answer Key (ed.3).
USA:
Pearson Education, Inc.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and Using English Grammar Third Edition with Answer Key.
ed.3
USA:
Pearson Education, Inc,
1998.
.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and Using English Grammar Third Edition with Answer Key.
ed.3
USA:
Pearson Education, Inc,
1998.
.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and Using English Grammar Third Edition with Answer Key.
ed.3
USA:
Pearson Education, Inc,
1998.
.