Smyth, C. (1972). Ulster must fight. [s.n.].
Lua i Stíl Chicago (17ú heag.)Smyth, Clifford. Ulster Must Fight. Belfast: [s.n.], 1972.
Lua MLA (8ú heag.)Smyth, Clifford. Ulster Must Fight. [s.n.], 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.