Michael A. Putlack. (2008). How to master skills for the TOEFL iBT: Writing. Tp.Hồ Chí Minh: Tổng hợp Tp.Hồ Chí Minh.
Dyfyniad Arddull ChicagoMichael A. Putlack. How to Master Skills for the TOEFL IBT: Writing. Tp.Hồ Chí Minh: Tổng hợp Tp.Hồ Chí Minh, 2008.
Dyfyniad MLAMichael A. Putlack. How to Master Skills for the TOEFL IBT: Writing. Tp.Hồ Chí Minh: Tổng hợp Tp.Hồ Chí Minh, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.