edited by R.J. Johnston, Derek Gregory, Geraldine Pratt, Michael Watts
Blackwell Publishing, 2000
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Vaughan, Tay, author
Osborne McGraw-Hill, 1998
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Lackie, J.M.
Elseiver Academic Press, 2007
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Ellis Cashmore with Michael Banton, James Jennings, Barry Troyna, Pierre L. Van Den Bergdhe
Routledge, 1996
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general editor, David W. Pearce
Macmillan Reference Books, 1989
Buku Referensi