edited by Jane Degras and Alec Nove
Frederick A. Praeger, [Date of publication not identified]
Buku Teks
Campbell, Robert W.
Houghton Mifflin , 1960
Buku Teks
Feiwel, George R.
Praeger Pub., 1972
Buku Teks
edited by Morris Bornstein, Daniel R. Fusfeld
Richard D. Irwin, 1966
Buku Teks
Baransky, N. N.
Foreign Languages Publishing House, 1956
Buku Teks