APA aipamena

Rogers, B. (2005). Peterson's Toefl success 2005. USA: Thomson Peterson's.

Chicago Style aipamena

Rogers, Bruce. Peterson's Toefl Success 2005. USA: Thomson Peterson's, 2005.

MLA aipamena

Rogers, Bruce. Peterson's Toefl Success 2005. USA: Thomson Peterson's, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.