Putlack, M. A., Link, W., & Poirier, S. (2008). How to master skills for the TOEFL iBT: Speaking : Intermediate. Tp.HCM: Tổng hợp.
Trích dẫn kiểu ChicagoPutlack, Micheal A., Will Link, và Stephen Poirier. How to Master Skills for the TOEFL IBT: Speaking : Intermediate. Tp.HCM: Tổng hợp, 2008.
MLA引文Putlack, Micheal A., Will Link, và Stephen Poirier. How to Master Skills for the TOEFL IBT: Speaking : Intermediate. Tp.HCM: Tổng hợp, 2008.
警告:这些引文格式不一定是100%准确.