Não informado. (1970). Socialist revolution. Center for Social Research and Education.
Chicagoスタイル(17版)引用形式Não informado. Socialist Revolution. San Francisco, Calif: Center for Social Research and Education, 1970.
MLA(8版)引用形式Não informado. Socialist Revolution. Center for Social Research and Education, 1970.
警告: この引用は必ずしも正確ではありません.