http://gordonua.com/news/worldnews/The-Guardian-Sud-prishel-k-vyvodu-chto-Litvinenko-veroyatno-byl-ubit-po-lichnomu-prikazu-Putina-116345.html
http://www.dsnews.ua/world/delo-litvinenko---orudie-britanskoy-diplomatii-21012016174600
http://gordonua.com/news/politics/Sokursnik-Putina-eks-razvedchik-KGB-YA-budu-v-shoke-esli-Obama-Kemeron-i-Merkel-pozhmut-ruku-Putinu-ubiyce-Litvinenko-116423.html