MM. (1991). Hoovers Hand Book Of American Business 1992. The reference Press.
Lua i Stíl Chicago (17ú heag.)MM. Hoovers Hand Book Of American Business 1992. The reference Press, 1991.
Lua MLA (8ú heag.)MM. Hoovers Hand Book Of American Business 1992. The reference Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.