Não informado. (1959). International executive. Foundation for the Advancement of International Business Administration.
Lua i Stíl Chicago (17ú heag.)Não informado. International Executive. New York: Foundation for the Advancement of International Business Administration, 1959.
Lua MLA (8ú heag.)Não informado. International Executive. Foundation for the Advancement of International Business Administration, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.