Gaya APA
Azar, Betty Schrampfer. (2002).
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,
2002.
.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and Using English Grammar : Third Edition With Answer Key.
ed.3
USA:
Pearson Education, Inc,
2002.
.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and Using English Grammar : Third Edition With Answer Key.
ed.3
USA:
Pearson Education, Inc,
2002.
.