Lefrançois, Guy R. Adolescents / Guy R. Lefrancois. - 2d ed. - Belmont, Calif. : Wadsworth Pub. Co., c1981. - xvi, 411 p. : ill. ; 25 cm. Bibliography: p. 377-396.and index. ISBN: 0534008577 Subjects--Topical Terms: Adolescence.Adolescent psychology. Dewey Class. No.: 305.23 / LEA 1981