Gaya APA
Peterson, P, W. (2004).
Writing With Explanation & Exercises : Beginning / Intermediate Level (cet.4).
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Peterson, Patricia, Wilcox.
"Writing With Explanation & Exercises : Beginning / Intermediate Level".
cet.4
Jakarta:
Gramedia Pustaka Utama,
2004.
Text.