Hughes, William, Critical thinking : an introduction to the basic skills / William Hughes. - 3a. ed. - Peterborough, Ont. : Broadview Press, 2000 - 377 p. : il. ; 23 cm. Bibliografía: p. 374-377 ISBN: 1-55111-251-5 Subjects--Topical Terms: LógicaPensamiento críticoRazonamiento Dewey Class. No.: 160 / H874c / 2000