Park, Robert Ezra
The Free Pressof Glencoe, 1950
Buku Teks
Bohannan, Paul
Free Press, 1995
Buku Teks
edited by Roy Moodley, Stephen Palmer
Routledge, 2006
Buku Teks
Sapir, Edward
University of California Press, 1949
Buku Teks
Adorno, Theodor W.
Routledge, 1991
Buku Teks