West, Michael
Longmans, Green and Co., 1951
Buku Teks
Graves, Robert, author
Macmillan, 1943
Buku Referensi
Routledge, 1997
Buku Referensi
Povey, John F.
Holt, Rinehart and Winston, 1984
Buku Teks
Malleret, Louis
Paris : Ecole Francaise d'Extreme-Orient, 1962.
Buku Teks