Versteegh, C.H.M.
E.J. Brill, 1993
Buku Teks
Amal Elesha marogy, editor
Brill, 2012
Buku Teks
Timberlake, Alan, author
Cambridge University Press, 2004
Buku Teks
Li, Charles N., author
University California Press, 1981
Buku Teks
Brockelmann, Carl, author
Otto Harrassowitz , 1960
Buku Teks