HAMEL GARY. (1994). COMRETING FOR THE FUTUER. HARVARD BUSINESS SCHOOL.
Chicago-čujuhus (17. p.)HAMEL GARY. COMRETING FOR THE FUTUER. BOSTON: HARVARD BUSINESS SCHOOL, 1994.
MLA-čujuhus (9. p.)HAMEL GARY. COMRETING FOR THE FUTUER. HARVARD BUSINESS SCHOOL, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.