Lenin, Vladimir I., author
Foreign Languages Publishing House, 1963
Buku Teks
Taborsky, Edward
Princenton University Press , 1961
Buku Teks
Langer, Paul F.
Hoover Institution Press, 1972
Buku Teks
Hsiung, James C. (James Chieh), 1935-, author
Praeger Publishers, 1970
Buku Teks
edited by Chong-Shik Chung and Gahb-Chol Kim
Research center for peace and unification, 1980
Buku Teks