Não informado. (1967). British medical index. British Council, Medical Department.
Chicago-referens (17:e uppl.)Não informado. British Medical Index. London: British Council, Medical Department, 1967.
MLA-referens (8:e uppl.)Não informado. British Medical Index. British Council, Medical Department, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.