Khaldun, Ibn, author
Pantheon Book, 1958
Buku Teks
Bowle, John
Jonathan Cape Thirty Bedford Square, 1949
Buku Teks
Dampier, William Cecil
Cambridge University Press, 1989
Buku Teks
edited by I. Grattan-Guinness
Routledge, 1994
Buku Referensi
edited by I. Grattan-Guinness
Routledge, 1994
Buku Referensi