Nicholson, W. Keith. Introduction to abstract algebra / W. Keith Nicholson. - 4th edition - xxiv, 535 pages : illustrations ; 27 cm. Includes bibliographical references and index. ISBN: 9781118135358 LCCN: 2011031416 Subjects--Topical Terms: Algebra, Abstract. LC Class. No.: QA162 / .N53 2012 Dewey Class. No.: 512.02