Sraffa, P. (1975). Production of Commodities by means of commodities: Prelude to a critique of economic theory. C.U.P..
Cita Chicago (17th ed.)Sraffa, Piero. Production of Commodities by Means of Commodities: Prelude to a Critique of Economic Theory. Cambridge: C.U.P., 1975.
Cita MLA (9th ed.)Sraffa, Piero. Production of Commodities by Means of Commodities: Prelude to a Critique of Economic Theory. C.U.P., 1975.
Atenció: Aquestes cites poden no estar 100% correctes.