APA استشهاد

Sraffa, P. (1960). Production of commodities by means of commodities. Vora & Co. Publishers.

استشهاد بنمط شيكاغو

Sraffa, Piero. Production of Commodities by Means of Commodities. Bombay: Vora & Co. Publishers, 1960.

MLA استشهاد

Sraffa, Piero. Production of Commodities by Means of Commodities. Vora & Co. Publishers, 1960.