APA aipamena

Edmunds, P., & Paul Edmunds. (2007). Developing skills for the TOEFL iBT: Intermediate. [Tp. Hồ Chí Minh]: Trẻ.

Chicago Style aipamena

Edmunds, Paul, và Paul Edmunds. Developing Skills for the TOEFL IBT: Intermediate. [Tp. Hồ Chí Minh]: Trẻ, 2007.

MLA aipamena

Edmunds, Paul, và Paul Edmunds. Developing Skills for the TOEFL IBT: Intermediate. [Tp. Hồ Chí Minh]: Trẻ, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.