Salmon, Merrilee H. Introduction to logic and critical thinking / Merrilee Salmon. - 6th ed. - Australia ; [Florence, Ky.] : Wadsworth/Cengage Learning, 2013. - xv, 501 p. : ill. ; 25 cm. Includes bibliographical references (p. [427]-431) and index. ISBN: 13:9781111841522 LCCN: 2001096741 Subjects--Topical Terms: Logic.Reasoning. LC Class. No.: BC71 / SAL 2013 Dewey Class. No.: 160