Granick, David
Columbia University Press, 1954
Buku Teks
Chamberlain, Neil Wolverton
McGraw-Hill, 1962
Buku Teks
Baransky, N. N.
Foreign Languages Publishing House, 1956
Buku Teks
Munich : Institute for the Study of the USSR
Majalah, Jurnal, Buletin
Balassa, Bela A.
Yale University Press, 1959
Buku Teks