APA-Zitierstil (7. Ausg.)

Kirkeby, O. F. (2009). The new protreptic: The concept and the art. Copenhagen Bussiness School Press.

Chicago-Zitierstil (17. Ausg.)

Kirkeby, Ole Fogh. The New Protreptic: The Concept and the Art. [Copenhagen, Denmark]: Copenhagen Bussiness School Press, 2009.

MLA-Zitierstil (9. Ausg.)

Kirkeby, Ole Fogh. The New Protreptic: The Concept and the Art. Copenhagen Bussiness School Press, 2009.