Artikel Jurnal
Muhammad Asad, author
Max Reinhardt, 1954
Buku Teks
Watt, William Montgomery, author
At The Clarendon Press, 1953
Buku Teks
Byrne, Jeffrey James, author
Oxford University Press, 2016
eBooks
Williams, Ethel L.
Scholarly Resources Press, 1977
Buku Referensi