APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.