Gaya APA
langan, John. (2004).
College writing skills : John Langan (Ed.6).
New York:
Mc Graw Hill.
Gaya Chicago
langan, John.
College writing skills : John Langan.
Ed.6
New York:
Mc Graw Hill,
2004.
Textbook.
Gaya MLA
langan, John.
College writing skills : John Langan.
Ed.6
New York:
Mc Graw Hill,
2004.
Textbook.
Gaya Turabian
langan, John.
College writing skills : John Langan.
Ed.6
New York:
Mc Graw Hill,
2004.
Textbook.