Osborn, R. (1965). Business finance The management approach. Century crofte.
Lua i Stíl Chicago (17ú heag.)Osborn, R. Business Finance The Management Approach. Appleton: Century crofte, 1965.
Lua MLA (9ú heag.)Osborn, R. Business Finance The Management Approach. Century crofte, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.