SMITH,R. Kent. (1990). Building vocabulary for college. D.C. Heath and Co.
芝加哥风格引文SMITH,R. Kent. Building Vocabulary for College. Lexington: D.C. Heath and Co, 1990.
MLA引文SMITH,R. Kent. Building Vocabulary for College. D.C. Heath and Co, 1990.
警告：这些引文格式不一定是100％准确.