APA-referens

Drucker,Peter F. (1985). Innovation and entrepreneurship: Practice and principles. Heinemann.

Chicago-stil citat

Drucker,Peter F. Innovation and Entrepreneurship: Practice and Principles. London: Heinemann, 1985.

MLA-referens

Drucker,Peter F. Innovation and Entrepreneurship: Practice and Principles. Heinemann, 1985.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.