edited by John Bowker
Oxford University Press, 1997
Buku Referensi
edited by Stewart Sutherland, Leslie Houlden, Peter Clarke, Friedhelm Hardy
Routledge, 1988
Buku Referensi
editor, John R. Hinnells
Macmillan, 1993
Buku Referensi
Bettany, G.T., author
Bracken Books, [date of publication not identified]
Buku Referensi
consulting editor, Wendy Doniger
Encyclopaedia Britannica, Inc., 2006
Buku Referensi