Shitikov, Alexei
Novosty Press Agency Publishing Hause , 1978
Buku Teks
Wortman, Richard, author
Cambridge University Press, 1967
Buku Teks
Leites, Nathan
McGraw-Hill Book Company, Inc., 1951
Buku Teks
Granick, David
Columbia University Press, 1954
Buku Teks
Kolarz, Walter
Frederick A.Praeger, 1955
Buku Teks