Morgan, P. M. (1972). Theories and approaches to international politics: What are we to thinkn. Consensus.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMorgan, Patrick M. Theories and Approaches to International Politics: What Are We to Thinkn. San Ramon, Calif: Consensus, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMorgan, Patrick M. Theories and Approaches to International Politics: What Are We to Thinkn. Consensus, 1972.
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