(1949). Controllership in a competitive economy.
Lua i Stíl Chicago (17ú heag.)Controllership in a Competitive Economy. 1949.
Lua MLA (9ú heag.)Controllership in a Competitive Economy. 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.