Richards, J. (1999). Meet the ancestors: Unearthing the evidence that brings us face to face with the past. BBC.
Chicago-referens (17:e uppl.)Richards, Julian. Meet the Ancestors: Unearthing the Evidence That Brings Us Face to Face with the Past. Londres: BBC, 1999.
MLA-referens (9:e uppl.)Richards, Julian. Meet the Ancestors: Unearthing the Evidence That Brings Us Face to Face with the Past. BBC, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.