Kuehn, Thomas
Brill, 2011
eBooks
Silverstein, Josef
Cornell University Press, 1977
Buku Teks
Esposito, John L.
Syracuse University Presss, 1984
Buku Teks
Hope, Michael
Oxford University Press, 2016
eBooks
Bloom, Jonathan
BBC Worldwide, 2000
Buku Teks