Twomey, David P. Anderson's business law and the legal environment, comprehensive volume / David P. Twomey, Marianne Moody Jennings - 20th ed. - Mason, OH : South-Western Cengage Learning , 2008 - xxxii, 1190, p. : ill. (some col.) ; 26 cm. Includes index ISBN: 9780324638189 0324638183 Subjects--Topical Terms: Commercial law--United States