APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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