Series I - Systems of Psychotherapy, Helping Skills In Practice: A Three-Stage Model
directed by Jon Mark Tullos, fl. 1997; presented by Clara E. Hill, fl. 1974, Jon Carlson, 1945-2017; produced by Jon Mark Tullos, fl. 1997 and Yevette Brown, fl. 2009, Governors State University. Division of Digital Learning and Media Design, in Series I - Systems of Psychotherapy (District of Columbia: American Psychological Association, 2009), 2 hours 4 mins