References
- Marx, K. 1887. Capital: A Critique of Political Economy. Vol. 1. https://www.marxists.org/archive/marx/works/download/pdf/Capital-Volume-I.pdf.
- Marx, K., and F. Engels. 2010a. Marx and Engels Collected Works. Vol. 24. London: Lawrence & Wishart.
- Marx, K., and F. Engels. 2010b. Marx and Engels Collected Works. Vol. 26. London: Lawrence & Wishart.