Butt, G. (2011). Geography, Education and the future. Continuum.
Chicago-čujuhus (17. p.)Butt, Graham. Geography, Education and the Future. Londres: Continuum, 2011.
MLA-čujuhus (9. p.)Butt, Graham. Geography, Education and the Future. Continuum, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.