Marx, K. (1969). Theories of surplus value. Lawrence & Wishart, Progress Publishers.
Dyfyniad Arddull ChicagoMarx, Karl. Theories of Surplus Value. London, Moscow: Lawrence & Wishart, Progress Publishers, 1969.
Dyfyniad MLAMarx, Karl. Theories of Surplus Value. Lawrence & Wishart, Progress Publishers, 1969.
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