Gaya APA
Understanding And Using English Grammar. (1999).
:
Longman.
Gaya Chicago
Understanding And Using English Grammar.
.
:
Longman,
1999.
.
Gaya MLA
Understanding And Using English Grammar.
.
:
Longman,
1999.
.
Gaya Turabian
Understanding And Using English Grammar.
:
Longman,
1999.
.