Não informado. Subjects of dissertations, theses and published works. University of London.
Chicago-referens (17:e uppl.)Não informado. Subjects of Dissertations, Theses and Published Works. London: University of London.
MLA-referens (8:e uppl.)Não informado. Subjects of Dissertations, Theses and Published Works. University of London.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.