Heaton, John B. Longman dictionary of common errors - 2nd ed - Harlow, Essex, England University of Social sciences and Humanities (National University of Ho Chi Minh City) 1997 - 375 p. 22 cm 003291 X 085 ISBN: 0582237521 Subjects--Topical Terms: speech difficultyEnglisherror Dewey Class. No.: 428.003 / L856