edited by Denis L. Rousseau
Academic Press, 1984
Buku Teks
edited by P.M.S. Hacker and J. Raz
Clarendon Press, 1988
Buku Teks
edited by T.E. Hall, P.R. Jones, G.B. Preston
Academic Press, 1980
Buku Teks
Hayes, James L., author
Amacom , 1983
Buku Teks
Holt, Rinehart and Winston, 1985
Buku Teks