Toynbee, Arnold J., author
Oxford University Press, 1957
Buku Teks
McCullagh, C. Behan, author
Routledge, 1998
Buku Teks
Carr, E.H. (Edward Hallet), author
Vintage Books, 1961
Buku Teks
Ibnu Khaldun, author
Routledge & Kegan Paul, 1958
Buku Teks
Toynbee, Arnold J., author
Oxford University Press, 1956
Buku Teks