Não informado. (1970). Behavior Therapy. Association for Advancement of Behavior Therapy.
Chicago-referens (17:e uppl.)Não informado. Behavior Therapy. New York: Association for Advancement of Behavior Therapy, 1970.
MLA-referens (8:e uppl.)Não informado. Behavior Therapy. Association for Advancement of Behavior Therapy, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.