edited by Richard Boyd, Philip Gasper, and J. D. Trout
Bradford Book, 1997
Buku Teks
Bortolotti, Lisa
Polity Press, 2008
Buku Teks
Stathis Psillos, Martin Curd, editor
Routledge, 2008
Buku Teks
Farrukh, OA
Beirut Al-Kashaf-Press 1952
Buku Teks
Padovan, Richard
E&FN Spon, 1999
Buku Teks