Mann, Richard A. Essentials of business law and the legal environment / Richard A. Mann, Barry S. Roberts - 10th ed. - Mason, OH : South-Western Cengage Learning, 2010 - 1 v. (various pagings) : ill. ; 26 cm. Includes index ISBN: 9780324593563 (alk. paper) 0324593562 (alk. paper) Subjects--Topical Terms: Commercial law--United StatesBusiness law--United StatesTrade regulation--United States