Não informado. (1970). Socialist revolution. Center for Social Research and Education.
Style de citation Chicago (17e éd.)Não informado. Socialist Revolution. San Francisco, Calif: Center for Social Research and Education, 1970.
Style de citation MLA (8e éd.)Não informado. Socialist Revolution. Center for Social Research and Education, 1970.
Attention : ces citations peuvent ne pas être correctes à 100%.