Gaya APA
Understanding And Using English Grammar. (1998).
:
Longman.
Gaya Chicago
Understanding And Using English Grammar.
.
:
Longman,
1998.
.
Gaya MLA
Understanding And Using English Grammar.
.
:
Longman,
1998.
.
Gaya Turabian
Understanding And Using English Grammar.
:
Longman,
1998.
.