Gaya APA
Chamot, Anna Uhl, Mado, John De, Hollie, Sharroky. (2013).
Pearson Longman Keystone: English Learning System .
New Jersey:
Pearson.
Gaya Chicago
Chamot, Anna Uhl, Mado, John De, Hollie, Sharroky.
Pearson Longman Keystone: English Learning System.
New Jersey:
Pearson,
2013.
Buku.
Gaya MLA
Chamot, Anna Uhl, Mado, John De, Hollie, Sharroky.
Pearson Longman Keystone: English Learning System.
New Jersey:
Pearson,
2013.
Buku.
Gaya Turabian
Chamot, Anna Uhl, Mado, John De, Hollie, Sharroky.
Pearson Longman Keystone: English Learning System.
New Jersey:
Pearson,
2013.
Buku.