Hoyt, R., & Cullen, M. D. (1968). Talk on revolution.
Lua i Stíl Chicago (17ú heag.)Hoyt, Robert, agus Michael Denis Cullen. Talk on Revolution. 1968.
Lua MLA (8ú heag.)Hoyt, Robert, agus Michael Denis Cullen. Talk on Revolution. 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.