Yarber, R. E., & Hoffman, A. (1996). Writing for college: A practical approach (3rd ed.). HarperCollins College Publishers.
芝加哥风格引文Yarber, Robert E., 与 Andrew Hoffman. Writing for College: A Practical Approach. 3rd ed. New York: HarperCollins College Publishers, 1996.
MLA引文Yarber, Robert E., 与 Andrew Hoffman. Writing for College: A Practical Approach. 3rd ed. HarperCollins College Publishers, 1996.
警告：这些引文格式不一定是100％准确.