Wales, H.G. Quaritch
Quaritch, 1967
Buku Teks
Coedes, George, author
Univesity of California Press, 1969
Buku Teks
Hall, D.G.E., author
Macmillan, 1970
Buku Teks
Hall, D.G.E., author
Macmillan, 1968
Buku Teks
edited by D.G.E. Hall
Oxford University Press, 1961
Buku Teks