John Wiley & Sons, 1995
Buku Teks
Jeffares, A. Norman
Macmillan, 1962
Buku Teks
Karlgren, Bernhard, author
University of Minnesota Press, 1952
Buku Teks
Ashford, Norman J., author
Wiley, 1992
Buku Teks
Ashford, Norman J., author
John Wiley & Sons, 1984
Buku Teks