Lasswell, H. D. (1971). The policy orientation of political science. Lakshmi Narain Agarwal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLasswell, Harold D. The Policy Orientation of Political Science. Agra: Lakshmi Narain Agarwal, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLasswell, Harold D. The Policy Orientation of Political Science. Lakshmi Narain Agarwal, 1971.
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