https://nv.ua/opinion/oreshkin/plokhaja-situatsija-chto-putin-privez-iz-hermanii--2489800.html
https://ru.krymr.com/a/peregovory-putina-i-merkel-v-germanii/29441099.html
https://www.radiosvoboda.org/a/29443941.html
http://expert.ru/expert/2018/34/vosstat-iz-ada/
https://www.gazeta.ru/business/2018/08/20/11902663.shtml
http://expert.ru/expert/2018/34/pyat-druzej-kaspiya/
https://www.bbc.com/russian/news-45251119