Roberts, P. C., & Stephenson, M. A. (1973). Marx's theory of exchange, alienation, and crisis. Hoover Institution Press.
Chicago Style (17. basım) AtıfRoberts, Paul Craig, ve Matthew A. Stephenson. Marx's Theory of Exchange, Alienation, and Crisis. Stanford, Calif: Hoover Institution Press, 1973.
MLA (9th ed.) AtıfRoberts, Paul Craig, ve Matthew A. Stephenson. Marx's Theory of Exchange, Alienation, and Crisis. Hoover Institution Press, 1973.
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