Khaldun, Ibn, author
Princeton University Press, 2015
Buku Teks
Hook, Sidney, author
Beacon Press, 1943
Buku Teks
Lovejoy, Arthur O.
Harper Torchbooks, 1960
Buku Teks
Lloyd, Christopher
Blackwell Publishing, 1993
Buku Teks
At The Clarendon Press, 1946
Buku Teks