APA-referens (7:e uppl.)

Copeman, G. H. (1959). The role of the managing director. Business Pub.

Chicago-referens (17:e uppl.)

Copeman, George Henry. The Role of the Managing Director. London: Business Pub, 1959.

MLA-referens (9:e uppl.)

Copeman, George Henry. The Role of the Managing Director. Business Pub, 1959.