Παραπομπή σε μορφή APA (7η εκδ.)

Conference Board & Bursk, E. C. (1973). Challenge to leadership: Managing in a changing world. Free Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Conference Board και Edward Collins Bursk. Challenge to Leadership: Managing in a Changing World. New York: Free Press, 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

Conference Board και Edward Collins Bursk. Challenge to Leadership: Managing in a Changing World. Free Press, 1973.