Kahn, Theodore C. Methods and evaluation in clinical and counseling psychology / by Theodore C. Kahn, James T. Cameron and Martin B. Giffen. - New York : Pergamon Press, 1975. - 329 p. : ill. ; 23 cm. - Pergamon general psychology series ; 40 . ISBN: 0080178626 0080178634 pbk Subjects--Topical Terms: Clinical psychology.Counseling.Psychological tests.Psychotherapy.