National Library Board, 2010
Buku Referensi
N.Y. Praeger , 1971
Buku Teks
edited by Ahmed Ibrahim Abushouk and Hassan Ahmed Ibrahim
Brill, 2009
Buku Teks
Schouten, M.J.C.
Leiden KITLV Press , 1998
Buku Teks
Jhunjhunwala, Bharat
Kalpaz Publications, 2008
Buku Teks