Sullivan, P. N., & Zhong, G. Y. Q. (1991). Supercourse for the TOEFL (2nd ed.). New York: Prentice Hall Press.
Trích dẫn kiểu ChicagoSullivan, Patricia Noble, và Grace Yi Qiu Zhong. Supercourse for the TOEFL. 2nd ed. New York: Prentice Hall Press, 1991.
MLA引文Sullivan, Patricia Noble, và Grace Yi Qiu Zhong. Supercourse for the TOEFL. 2nd ed. New York: Prentice Hall Press, 1991.
警告:這些引文格式不一定是100%准確.