COLLIER' ENCYLOPEDIA, HALSEY, W. D. [., & JOHNSTON, B. [. (1989). Collier's encyclopedia vol.13. Macmillan Educational.
Lua i Stíl Chicago (17ú heag.)COLLIER' ENCYLOPEDIA, William D. [edt.] HALSEY, agus Bernard [edt] JOHNSTON. Collier's Encyclopedia Vol.13. New York: Macmillan Educational, 1989.
Lua MLA (9ú heag.)COLLIER' ENCYLOPEDIA, et al. Collier's Encyclopedia Vol.13. Macmillan Educational, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.