Dyfyniad APA

Drucker, P. F. (2015). Innovation and entrepreneurship: Practice and principles (2nd ed.). Routledge.

Dyfyniad Arddull Chicago

Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. 2nd ed. New York: Routledge, 2015.

Dyfyniad MLA

Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. 2nd ed. Routledge, 2015.

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