Znamierowski, A. (2020). The world encyclopedia of flags: An illustrated guide to international flags, banners, standards, and ensigns. Lorenz Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZnamierowski, Alfred. The World Encyclopedia of Flags: An Illustrated Guide to International Flags, Banners, Standards, and Ensigns. [Wigston, Leicestershire]: Lorenz Books, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रZnamierowski, Alfred. The World Encyclopedia of Flags: An Illustrated Guide to International Flags, Banners, Standards, and Ensigns. Lorenz Books, 2020.
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