Cita APA
Drucker, P. F. (1985). Innovation and entrepreneurship: Practice and principles. Harper & Row.
Citación estilo Chicago
Drucker, Peter Ferdinand. Innovation and Entrepreneurship: Practice and Principles. New York: Harper & Row, 1985.
Cita MLA
Drucker, Peter Ferdinand. Innovation and Entrepreneurship: Practice and Principles. Harper & Row, 1985.
Warning: These citations may not always be 100% accurate.