HAMEL GARY. (1994). COMPETING FOR THE FUTUER. HARVARD BUSINESS REVIEW SCHOOL.
Chicago-viite (17. p.)HAMEL GARY. COMPETING FOR THE FUTUER. BOSTON: HARVARD BUSINESS REVIEW SCHOOL, 1994.
MLA-viite (9. p.)HAMEL GARY. COMPETING FOR THE FUTUER. HARVARD BUSINESS REVIEW SCHOOL, 1994.
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