Não informado. (1988). Capitalism, Nature, Socialism. University of California.
Style de citation Chicago (17e éd.)Não informado. Capitalism, Nature, Socialism. Santa Cruz, Calif: University of California, 1988.
Style de citation MLA (8e éd.)Não informado. Capitalism, Nature, Socialism. University of California, 1988.
Attention : ces citations peuvent ne pas être correctes à 100%.