Psychology, its principles and meanings / Lyle E. Bourne, Jr., Bruce R. Ekstrand. Bourne, Lyle Eugene, 1932- Ekstrand, Bruce R., joint author. Psychology. Psychology. BF121 .B62 1979 150 BOP Includes indexes. Bibliography: p. 586-594. New York : Holt, Rinehart and Winston, 1979. 1979. 1979 Text xiv, 610 p. : eng