Não informado. (1970). Socialist revolution. Center for Social Research and Education.
Chicago-Zitierstil (17. Ausg.)Não informado. Socialist Revolution. San Francisco, Calif: Center for Social Research and Education, 1970.
MLA-Zitierstil (8. Ausg.)Não informado. Socialist Revolution. Center for Social Research and Education, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.