SULLIVAN, & Zhong. (1989). TOEFL skills for top scores. New York: Prentice Hall.
Chicago Style CitationSULLIVAN, and Zhong. TOEFL Skills for Top Scores. New York: Prentice Hall, 1989.
MLA CitationSULLIVAN, and Zhong. TOEFL Skills for Top Scores. New York: Prentice Hall, 1989.
Warning: These citations may not always be 100% accurate.