https://www.radiosvoboda.org/a/rosiya-ne-vykorystovuye-haz-yak-zbroyu-vy-seryozno/31546995.html
https://jamestown.org/program/gazproms-italian-strike-or-the-latest-russian-blackmail-of-europe/
https://www.svoboda.org/a/crisisniy-argument-pochemu-putin-puskaet-gas-v-evropu/31539883.html
https://www.ng.ru/armies/2021-10-31/2_8291_situation.html
https://www.inopressa.ru/article/29Oct2021/taz/gas.html