Fisher, Alec. Critical thinking : an introduction / Alec Fisher. - Cambridge, U.K. ; New York : Cambridge University Press, 2001. - 249 p. ; 25 cm. ISBN: 0521009847 LCCN: 2002265188 LC Class. No.: BF441 .F497 2001 / .F497 2001 Dewey Class. No.: 160