Zdroj: <a external="1" class="external-link-new-window" href="http://www.skyscrapercity.com/showthread.php?p=97403363">Skyscrapercity</a></p>
Moskovské mrakodrapy Zdroj: <a external="1" class="external-link-new-window" href="http://www.skyscrapercity.com/showthread.php?p=97403363">Skyscrapercity</a></p>
Najvyššie európske mrakodrapy v roku 2015 Zdroj: <a external="1" class="external-link-new-window" href="http://www.ctbuh.org/LinkClick.aspx?fileticket=kkeAQ%2fHPwBU%3d&tabid=53&language=en-US">CTBUH</a></p>
