Gaya APA
Understanding And Using English Grammar Third Edition. (2009).
New York:
Pearson Longman.
Gaya Chicago
Understanding And Using English Grammar Third Edition.
Cet. 4.
New York:
Pearson Longman,
2009.
Non Fiksi.
Gaya MLA
Understanding And Using English Grammar Third Edition.
Cet. 4.
New York:
Pearson Longman,
2009.
Non Fiksi.
Gaya Turabian
Understanding And Using English Grammar Third Edition.
New York:
Pearson Longman,
2009.
Non Fiksi.