Dyfyniad APA

DRUCKER, P. F., & DRUCKER, P. F. (1985). Innovation And Entrepreneurship. William Heinemann.

Dyfyniad Arddull Chicago

DRUCKER, Peter F., and Peter F. DRUCKER. Innovation And Entrepreneurship. William Heinemann, 1985.

Dyfyniad MLA

DRUCKER, Peter F., and Peter F. DRUCKER. Innovation And Entrepreneurship. William Heinemann, 1985.

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