Robinson, J. (1972). Freedom and necessity: An introduction to the study of society. Allen and Unwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRobinson, Joan. Freedom and Necessity: An Introduction to the Study of Society. Allen and Unwin, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRobinson, Joan. Freedom and Necessity: An Introduction to the Study of Society. Allen and Unwin, 1972.
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