Não informado. (1956). Behavioral science. University of Michigan, Mental Health Research Institute.
Chicago-referens (17:e uppl.)Não informado. Behavioral Science. Baltimore, Md: University of Michigan, Mental Health Research Institute, 1956.
MLA-referens (8:e uppl.)Não informado. Behavioral Science. University of Michigan, Mental Health Research Institute, 1956.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.