Joas, H., Gaines, J., & Keast, P. The creativity of action. The University of Chigago Press.
Lua i Stíl Chicago (17ú heag.)Joas, Hans, Jeremy Gaines, agus Paul Keast. The Creativity of Action. Estados Unidos de América: The University of Chigago Press.
Lua MLA (9ú heag.)Joas, Hans, et al. The Creativity of Action. The University of Chigago Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.