Não informado. (1940). Administrative management. Geyer-McAllister Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Administrative Management. New York: Geyer-McAllister Publications, 1940.
Lua MLA (8ú heag.)Não informado. Administrative Management. Geyer-McAllister Publications, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.