Could not answer
Hakikat Kitabevi, 1993
 Buku Teks SO
Schatten, Fritz
Communism in Africa
Frederick A. Praeger, 1966
 Buku Teks SO
Monnerot, Jules
Sociology of communism
George Allen and Unwin, 1953
 Buku Teks SO
What Is Communism ?
edited by Richard M. Ketchum
Dutton , 1955
 Buku Teks SO
Langer, Paul F.
Communism in Japan
Hoover Institution Press, 1972
 Buku Teks SO