Bridson, Gavin D.R.
Gerland Publishing, Inc., 1994
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Ackerman, Diane
Vintage Books Edition, 1990
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Latter, Oswarld H. (Hawkins), 1864-, author
At The University Press, 2014
Buku Teks
Wilson, Ross J., 1981-, author
Taylor & Francis Group, 2018
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Lincoln, Roger J., author
Cambridge University Press, 1990
Buku Referensi