Não informado. (1920). Journal of Neurology and Psychopathology. British Medical Association.
Chicago-referens (17:e uppl.)Não informado. Journal of Neurology and Psychopathology. London: British Medical Association, 1920.
MLA-referens (8:e uppl.)Não informado. Journal of Neurology and Psychopathology. British Medical Association, 1920.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.