(1975). British business policy: A case book / John M. Stopford, Derek F. Channon and David Norburn. Macmillan.
Lua i Stíl Chicago (17ú heag.)British Business Policy: A Case Book / John M. Stopford, Derek F. Channon and David Norburn. London: Macmillan, 1975.
Lua MLA (9ú heag.)British Business Policy: A Case Book / John M. Stopford, Derek F. Channon and David Norburn. Macmillan, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.