Beale, B. (2001). Men: From stone age to clone age. Penguin.
Chicago-čujuhus (17. p.)Beale, Bob. Men: From Stone Age to Clone Age. New Delhi: Penguin, 2001.
MLA-čujuhus (9. p.)Beale, Bob. Men: From Stone Age to Clone Age. Penguin, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.