Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.