Patterson, E. W. (1957). Cases and materials on contracts II (4th ed.). The Foundation Press, Inc.
芝加哥风格引文Patterson, Edwin Wilhite. Cases and Materials on Contracts II. 4th ed. Chicago: The Foundation Press, Inc, 1957.
MLA引文Patterson, Edwin Wilhite. Cases and Materials on Contracts II. 4th ed. The Foundation Press, Inc, 1957.
警告：这些引文格式不一定是100％准确.