แหล่งที่มา WikiPedia: แลนด์มาร์ก 81 http://www.prestigehw.com/en/hotel-vinpearl-luxury... http://skyscrapercenter.com/building/landmark-81/1... http://www.skyscrapercenter.com/buildings?list=tal... http://web.archive.org/web/20210512194943/https://... //tools.wmflabs.org/geohack/geohack.php?pagename=%... http://www.coteccons.vn/landmark-81-ky-vi-nhu-the-... http://landmark.vinhomes.vn/ https://www.facebook.com/uniconsvn/photos/a.642717... https://thetowerinfo.com/buildings-list/vincom-lan... https://www.youtube.com/watch?v=o7O7im78FqE
