Silverio, J. F. (1997). The book of word origins. M & L Licudine Enterprises.
Lua i Stíl Chicago (17ú heag.)Silverio, Julio F. The Book of Word Origins. Las Pinas, M. M: M & L Licudine Enterprises, 1997.
Lua MLA (9ú heag.)Silverio, Julio F. The Book of Word Origins. M & L Licudine Enterprises, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.