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Delta Deltarune Delta Air Lines Delta Ursae Majoris Delta Force: Land Warrior Delta II Delta Capricorni Delta Force 2 Delta Geminorum Delta Force (trò chơi điện tử)Tài liệu tham khảo
WikiPedia: Delta IV (lớp tàu ngầm) http://ship.bsu.by/main.asp?id=101817 http://pilot.strizhi.info/2006/12/29/1468 http://www.submarine.id.ru/thumbs/667bdrm/index.sh... http://www.submarinaa.narod.ru/667.html https://web.archive.org/web/20070104223538/http://... https://web.archive.org/web/20070423035325/http://... https://web.archive.org/web/20110915221134/http://...