APA aipamena

(2008). TOEFL iBT m: Writing. Tp. HCM: Tổng hợp.

Chicago Style aipamena

TOEFL IBT M: Writing. Tp. HCM: Tổng hợp, 2008.

MLA aipamena

TOEFL IBT M: Writing. Tp. HCM: Tổng hợp, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.