Gale Research Company. (1987). Research Centers directory. Gale.
Lua i Stíl Chicago (17ú heag.)Gale Research Company. Research Centers Directory. Detroit, Mich.: Gale, 1987.
Lua MLA (9ú heag.)Gale Research Company. Research Centers Directory. Gale, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.