Hettema, H.
W.E.J.Tjeenk Willink, 1931
Buku Referensi
The George F. Cram, 1952
Buku Referensi
edited by William C. Brice
E.J. Brill, 1981
Buku Referensi
Ralby, Aaron
Parragon Books, 2013
Buku Referensi
edited by Edward Whiting Fox
Oxford University Press, 1957
Buku Teks