Heaton,D.T. (1991). Commercial law: Text and seminar workbook. Prentice Hall.
芝加哥风格引文Heaton,D.T. Commercial Law: Text and Seminar Workbook. New York: Prentice Hall, 1991.
MLA引文Heaton,D.T. Commercial Law: Text and Seminar Workbook. Prentice Hall, 1991.
警告：这些引文格式不一定是100％准确.