Habermas, J. (1981). The Theory of Communication Action. Beacon Press.
Lua i Stíl Chicago (17ú heag.)Habermas, Jurgen. The Theory of Communication Action. Beacon Press, 1981.
Lua MLA (9ú heag.)Habermas, Jurgen. The Theory of Communication Action. Beacon Press, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.