Gaya APA
Langan, John. (2005).
College Writing Skills with Readings. 6th ed (edisi 6).
New York:
McGraw Hill.
Gaya Chicago
Langan, John.
College Writing Skills with Readings. 6th ed.
edisi 6
New York:
McGraw Hill,
2005.
Textbook.
Gaya MLA
Langan, John.
College Writing Skills with Readings. 6th ed.
edisi 6
New York:
McGraw Hill,
2005.
Textbook.
Gaya Turabian
Langan, John.
College Writing Skills with Readings. 6th ed.
edisi 6
New York:
McGraw Hill,
2005.
Textbook.