Dugoni, R. (2021). The world played chess (First edition.). Lake Union Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDugoni, Robert. The World Played Chess. First edition. Seattle, Washington: Lake Union Publishing, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDugoni, Robert. The World Played Chess. First edition. Lake Union Publishing, 2021.
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