Gaya APA

Lou, R. (2007). Toefl Common Errors And Grammar Practice : The Book thats Makes You Score Higher (-). Jakarta: Jakarta: V Print,.

Gaya MLA

Lou, Robby. "Toefl Common Errors And Grammar Practice : The Book thats Makes You Score Higher". - Jakarta: Jakarta: V Print,, 2007. Pend. BHS.Inggris.