Dyfyniad APA

DRUCKER PETER F. (1985). INNOVATION AND ENTREPRENEURSHIP. WILLIAM HEINEMANN LTD.

Dyfyniad Arddull Chicago

DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. LONDON: WILLIAM HEINEMANN LTD, 1985.

Dyfyniad MLA

DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. WILLIAM HEINEMANN LTD, 1985.

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