DRUCKER. (1993). Innovation and entrepreneurship practice and principles. Harper-Collins.
Chicago Style (17th ed.) CitationDRUCKER. Innovation and Entrepreneurship Practice and Principles. New York: Harper-Collins, 1993.
MLA (9th ed.) CitationDRUCKER. Innovation and Entrepreneurship Practice and Principles. Harper-Collins, 1993.
Warning: These citations may not always be 100% accurate.