Bosworth, A.B., author
Cambridge University Press, 1995
Buku Teks
Bury, J.B., author
Random House, [Date of publication not identified]
Buku Teks
Bury, J.B., author
Modern Library, 1913
Buku Teks
Bury, J.B., author
Modern Library, 1927
Buku Teks
Burke, Lance B., author
[American Management Association;, ], 2004
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