Não informado. (1965). British Journal of Mathematical and Statistical Psychology. British Psychological Society.
Chicago-referens (17:e uppl.)Não informado. British Journal of Mathematical and Statistical Psychology. London: British Psychological Society, 1965.
MLA-referens (8:e uppl.)Não informado. British Journal of Mathematical and Statistical Psychology. British Psychological Society, 1965.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.