Gaya APA
Langan, J.
(2005).
College Writing Skills with Readings 6th edition
.
NewYork:
The Mc Graw-Hill Companies.
Gaya MLA
Langan, John.
"College Writing Skills with Readings 6th edition".
NewYork:
The Mc Graw-Hill Companies,
2005.
Teks (Text).