Hamel, G. (2002). Competing for the future. TMGH.
Chicago-čujuhus (17. p.)Hamel, Gary. Competing for the Future. New Delhi: TMGH, 2002.
MLA-čujuhus (9. p.)Hamel, Gary. Competing for the Future. TMGH, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.