Vaida, C. J. (1996). Liberating grammar. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Vaida, Clifford John. Liberating Grammar. Upper Saddle River, N.J: Prentice Hall, 1996.
Lua MLA (9ú heag.)Vaida, Clifford John. Liberating Grammar. Prentice Hall, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.