Sahakian, William S. History of Psychology: A Source Book in Systematic Psychology. - Illinois: F.E. Peacock Publishers, Inc., 1970. - xiv, 559p. ilus, 25 cm. Subjects--Topical Terms: Psikologi--Sejarah LC Class. No.: BF81 / .H57 1968 Dewey Class. No.: 150.9