Gaya APA

Langan, J. (2006). College writing skills with readings ed.6 (Ed. 6). New York: KPG (Kepustakaan Populer Gramedia).

Gaya MLA

Langan, John. "College writing skills with readings ed.6". Ed. 6 New York: KPG (Kepustakaan Populer Gramedia), 2006. Textbook.