Gaya APA
Understanding And Using English Grammar. (2006).
:
Longman.
Gaya Chicago
Understanding And Using English Grammar.
.
:
Longman,
2006.
.
Gaya MLA
Understanding And Using English Grammar.
.
:
Longman,
2006.
.
Gaya Turabian
Understanding And Using English Grammar.
:
Longman,
2006.
.