Heller, J. Jewish ways of life. Group dynamics : research and theory.
Lua i Stíl Chicago (17ú heag.)Heller, Joseph. "Jewish Ways of Life." Group Dynamics : Research and Theory .
Lua MLA (8ú heag.)Heller, Joseph. "Jewish Ways of Life." Group Dynamics : Research and Theory, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.