Cornforth, M. C. (1968). The open philosophy and the open society: A reply to Dr. Karl Popper's refutations of Marxism. Lawrence & Wishart.
Lua i Stíl Chicago (17ú heag.)Cornforth, Maurice Campbell. The Open Philosophy and the Open Society: A Reply to Dr. Karl Popper's Refutations of Marxism. London: Lawrence & Wishart, 1968.
Lua MLA (9ú heag.)Cornforth, Maurice Campbell. The Open Philosophy and the Open Society: A Reply to Dr. Karl Popper's Refutations of Marxism. Lawrence & Wishart, 1968.
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