Pettit, P. (2001). A theory of freedom: From the psychology to the politics of agency. Polity.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPettit, Philip. A Theory of Freedom: From the Psychology to the Politics of Agency. Polity, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPettit, Philip. A Theory of Freedom: From the Psychology to the Politics of Agency. Polity, 2001.
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