Kosso, Peter
Cambridge University Press, 1992
Buku Teks
edited by Richard Boyd, Philip Gasper, and J. D. Trout
Bradford Book, 1997
Buku Teks
Williams, Malcolm, 1953-
Routledge, 2000
Buku Teks
edited by David Garland and Richard Sparks
Oxford University Press, 2000
Buku Teks
Levison, Arnold B.
Pegasus, 1974
Buku Teks