Drucker, P. F. (1985). Innovation and entrepreneurship: Practice and principles. New York: Harper & Row.
Chicago Style CitationDrucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. New York: Harper & Row, 1985.
Cita MLADrucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. New York: Harper & Row, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.