Roy, James A. Le
Houghton Mifflin, 1914.
Buku Teks
Metelsky, G.
Foreign Languages Publishing House, 1959
Buku Teks
Mignotte, Maurice
Springer-Verlag, 1992
Buku Teks
Gilliams, Maurice, author
Manteau, 1958
Buku Teks
Taylor, Mike
Crowood Press, 1995
Buku Teks