Foreign Languages Publishing House, 1959
Buku Teks
Mongait, Alexander
Foreign Languages Publishing House, 1959
Buku Teks
Rothstein, Andrew
Penguin Books , 1950
Buku Teks
Hammer, Darrel P.
Westview Press, 1990
Buku Teks
Novisti Press, [date of publication not identified]
Buku Teks