Slavson, S. R. (1940). Creative group education. Association Press.
Lua i Stíl Chicago (17ú heag.)Slavson, S. R. Creative Group Education. New York: Association Press, 1940.
Lua MLA (8ú heag.)Slavson, S. R. Creative Group Education. Association Press, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.