Não informado. (1968). Advances in behavior therapy. Association for the Advancement of Behavior Therapy.
Chicago-referens (17:e uppl.)Não informado. Advances in Behavior Therapy. New York: Association for the Advancement of Behavior Therapy, 1968.
MLA-referens (8:e uppl.)Não informado. Advances in Behavior Therapy. Association for the Advancement of Behavior Therapy, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.