Não informado. (1949). Michigan business review. Michigan University, School of Business Administration, Bureau of Business.
Lua i Stíl Chicago (17ú heag.)Não informado. Michigan Business Review. Ann Arbor, Mich: Michigan University, School of Business Administration, Bureau of Business, 1949.
Lua MLA (8ú heag.)Não informado. Michigan Business Review. Michigan University, School of Business Administration, Bureau of Business, 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.