DRUCKER PETER F. (1985). INNOVATION AND ENTREPRENEURSHIP. WILLIAM HEINEMANN LTD.
Chicagoスタイル(17版)引用形式DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. LONDON: WILLIAM HEINEMANN LTD, 1985.
MLA(9版)引用形式DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. WILLIAM HEINEMANN LTD, 1985.
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