Lua APA (7ú heag.)
Habermas, J., & McCarthy, T. (1987). The theory of communicative action: Lifeworld and system: a critique of functionalist reason. Beacon Press.
Lua i Stíl Chicago (17ú heag.)
Habermas, Jürgen, agus Thomas McCarthy. The Theory of Communicative Action: Lifeworld and System: A Critique of Functionalist Reason. Boston, Estados Unidos: Beacon Press, 1987.
Lua MLA (9ú heag.)
Habermas, Jürgen, agus Thomas McCarthy. The Theory of Communicative Action: Lifeworld and System: A Critique of Functionalist Reason. Beacon Press, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.