Não informado. (1970). Socialist revolution. Center for Social Research and Education.
Chicago-viite (17. p.)Não informado. Socialist Revolution. San Francisco, Calif: Center for Social Research and Education, 1970.
MLA-viite (8. p.)Não informado. Socialist Revolution. Center for Social Research and Education, 1970.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.