Luce, Gordon H.
J.J. Augustin, 1969
Buku Referensi
Hall, D.G.E.
London, Hutahinson University Library, (1960)
Buku Teks
Hall, D.G.E.
Hutchinson's University Library, 1950
Buku Teks SO
Hall, D.G.E.
University of Pennsylvani Press, 1971
Buku Teks SO
Maung, Maung
Martinus Nijhoff, 1961
Buku Teks