Countryman, V., & Kaufman Andrew L. (1971). Commercial law: Cases and materials. Little, Brown.
芝加哥风格引文Countryman, Vern, 与 Kaufman Andrew L. Commercial Law: Cases and Materials. Boston: Little, Brown, 1971.
MLA引文Countryman, Vern, 与 Kaufman Andrew L. Commercial Law: Cases and Materials. Little, Brown, 1971.
警告：这些引文格式不一定是100％准确.