Law, morality and society: essays in honour of H.L.A. Hart
edited by P.M.S. Hacker and J. Raz
Clarendon Press, 1988
 Buku Teks
Semigroups
edited by T.E. Hall, P.R. Jones, G.B. Preston
Academic Press, 1980
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Sergeant, Graham
A textbook of sociology
Macmillan, 1973
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Cowen, Zelman
Legal change : essays in honour of julius stone
Butteworths, 1983
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Edey, Harold C.
Accounting queries
Garland Pubishing, 1982
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