Sperber, M. T. (1976). Search for utopia: A study of twentieth century communes in America. M.T. Sperber].
Lua i Stíl Chicago (17ú heag.)Sperber, Mae T. Search for Utopia: A Study of Twentieth Century Communes in America. [S.l.: M.T. Sperber], 1976.
Lua MLA (8ú heag.)Sperber, Mae T. Search for Utopia: A Study of Twentieth Century Communes in America. M.T. Sperber], 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.