Parrillo, Vincent N.
Pearson, 2014
Buku Teks
Berry, Brewton
Houghton-Miffiln, 1958
Buku Teks
edited by John A. Kromkowski
McGraw-Hill , 2002
Buku Teks
Ellis Cashmore with Michael Banton, James Jennings, Barry Troyna, Pierre L. Van Den Bergdhe
Routledge, 1996
Buku Referensi
Banton Michael
Tavistock Publications, 1969
Buku Teks