edited by Warren Winkelstein, Fern E. French
MSS Information, 1972
Buku Teks
edited by P.M.S. Hacker and J. Raz
Clarendon Press, 1988
Buku Teks
Cowen, Zelman, author
Butteworths, 1983
Buku Teks
Sergeant, Graham, author
Macmillan, 1973
Buku Teks
Hayes, James L., author
Amacom , 1983
Buku Teks