edited by Rudolf Walther with the cooperation of Martin Strauss
Pergamon Press, 1976
Buku Referensi
edited, S.G. Shapovalenko
Unesco, 1963
Buku Teks
Malalasekera, G. P., author
Luzac , 1960
Buku Referensi
Anmol Publications, 1995
Buku Referensi
Anmol Publications, 1995
Buku Referensi