Cita APA (7a ed.)
Drucker, P. F. (1993). Innovation and entrepreneurship: Practice and principles. Harper Business.
Cita Chicago Style (17a ed.)
Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. New York: Harper Business, 1993.
Cita MLA (9a ed.)
Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. Harper Business, 1993.
Precaución: Estas citas no son 100% exactas.