Gaya APA
Langan, John. (2012).
English Skills with Readings (8th ed.).
New York:
McGrawHill.
Gaya Chicago
Langan, John.
English Skills with Readings.
8th ed.
New York:
McGrawHill,
2012.
Textbook.
Gaya MLA
Langan, John.
English Skills with Readings.
8th ed.
New York:
McGrawHill,
2012.
Textbook.
Gaya Turabian
Langan, John.
English Skills with Readings.
8th ed.
New York:
McGrawHill,
2012.
Textbook.