Drucker,Peter F. (1985). Innovation and entrepreneurship: Practice and principles. Heinemann.
Chicago Edition CitationDrucker,Peter F. Innovation and Entrepreneurship: Practice and Principles. London: Heinemann, 1985.
Cita MLADrucker,Peter F. Innovation and Entrepreneurship: Practice and Principles. Heinemann, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.