Levy, Robert M.
Southern Illinois University Press, 1996
Buku Teks
Michael Beveridge, editor
Routledge, 2001
Buku Teks
editors, Eric Emerson [and others]
John Wiley & Sons, 1999
Buku Teks
Peter Aggleton, Jane Hurry, Ian Warwick, editor
John Wiley & Sons, 2000
Buku Teks
Heera, Sonali, author
Shri Mata Vaishno Devi University, 2016
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