Mann, Richard A. Essentials of business law and the legal environment / Richard A. Mann, Barry S. Roberts. - 11 th ed. - Mason, OH : South-Western Cengage Learning, 2013. - XXIII, 999, [122] s. : il. ; 28 cm. Indeks. ISBN: 8781133188629 1133188621 Subjects--Topical Terms: Prawo handlowe--Stany Zjednoczone.