Travers, Kenneth J. Teacher's edition using statistics / Kenneth J. Travers, Leroy C. Dalton, Vincent F. Brunner. - 2nd ed. - River Forest, Illinois : Laidlaw Brothers, 1978. - x, 590 p. : ill. ; 25 cm. Includes index. Includes bibliographical references. ISBN: 0844519537 (hbk.) Subjects--Topical Terms: Statistics.