HAGEL JOHN. (2005). ONLY SUSTAINABLE EDGE. HARVARD BUSINESS SCHOOL PRESS.
Chicagoスタイル(17版)引用形式HAGEL JOHN. ONLY SUSTAINABLE EDGE. BOSTON: HARVARD BUSINESS SCHOOL PRESS, 2005.
MLA(9版)引用形式HAGEL JOHN. ONLY SUSTAINABLE EDGE. HARVARD BUSINESS SCHOOL PRESS, 2005.
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