Liên kết ngoài I-180 (tàu ngầm Nhật)


Tài liệu tham khảo

WikiPedia: I-180 (tàu ngầm Nhật) https://tools.wmflabs.org/geohack/geohack.php?lang... https://www.ijnsubsite.info/I-Sub%20Details/I-180.... http://www.combinedfleet.com/I-180.htm https://archive.org/details/submarinesofworl0000ba... https://archive.org/details/conwaysallworlds1922un... https://tools.wmflabs.org/geohack/geohack.php?lang... https://tools.wmflabs.org/geohack/geohack.php?lang... https://tools.wmflabs.org/geohack/geohack.php?lang... https://web.archive.org/web/20160414164237/http://... http://www.shipsnostalgia.com/guides/Soviet_Mercha...