Pengarang : Barron, John M Tahun Terbit : 1986.
Pengarang : JONES, WALTER S Tahun Terbit : 1992.
Pengarang : Singer J David Tahun Terbit : 1990.
Pengarang : Miller , Lynn. H Tahun Terbit : 1985.
Pengarang : Schultz, Duane Tahun Terbit : 1994. This book have chosen teorities who represent psychoanalytics, neopsychoanalytic, trait, life span, humanistic, cognitive, behavioral and social learning approaches as well as clinical and experimental work.