Gaya APA

Smalley, R, L. et al (2001). Refining composition skills: Rhetoric and grammar (ed. 5). Brazil: Heinle Cengage Learning.

Gaya MLA

Smalley, Regina, L.. et al. "Refining composition skills: Rhetoric and grammar". ed. 5 Brazil: Heinle Cengage Learning, 2001. Buku.