Nuckolls, C. W. (1998). Culture: A problem that cannot be solved. University of Wisconsin Press.
Lua i Stíl Chicago (17ú heag.)Nuckolls, Charles William. Culture: A Problem That Cannot Be Solved. Madison: University of Wisconsin Press, 1998.
Lua MLA (9ú heag.)Nuckolls, Charles William. Culture: A Problem That Cannot Be Solved. University of Wisconsin Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.