Hefferman, J. A. (1986). Writing: A college handbook (2nd ed.). W.W.Norton & co..
芝加哥风格引文Hefferman, James A.W. Writing: A College Handbook. 2nd ed. New York: W.W.Norton & co., 1986.
MLA引文Hefferman, James A.W. Writing: A College Handbook. 2nd ed. W.W.Norton & co., 1986.
警告：这些引文格式不一定是100％准确.