Citazione APA

Drucker, P. F. (1985). Innovation and entrepreneurship: Practice and principles. New York: Harper & Row.

Stile di citazione Chicago

Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. New York: Harper & Row, 1985.

Citazione MLA

Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. New York: Harper & Row, 1985.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.