Marx, K. (1978). The Poverty of Philosophy: Answer to the Philosophy of Poverty by M. Proudhon. Progress Publishers.
Cita Chicago (17th ed.)Marx, Karl. The Poverty of Philosophy: Answer to the Philosophy of Poverty by M. Proudhon. Moscow: Progress Publishers, 1978.
Cita MLA (9th ed.)Marx, Karl. The Poverty of Philosophy: Answer to the Philosophy of Poverty by M. Proudhon. Progress Publishers, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.