Lars Molteberg Glomnes (25. 3. 2014). „Stoltenberg med hard Russland-kritikk” [Stoltenberg was met with fierce criticism from Russia]. Aftenposten (на језику: норвешки). Архивирано из оригинала 29. 3. 2014. г.
Kimberly Marten (2020). „NATO enlargement: evaluating its consequences in Russia.”. International Politics. 57 (3): 401—426. doi:10.1057/s41311-020-00233-9..
For similar critiques see James Goldgeier, and Joshua R. Itzkowitz Shifrinson. Goldgeier, James; Itzkowitz Shifrinson, Joshua R. (2020). „Evaluating NATO enlargement: scholarly debates, policy implications, and roads not taken.”. International Politics. 57 (2020): 291—321. doi:10.1057/s41311-020-00243-7..
Guinness World Records: First murder by radiation: On 23 November 2006, Lieutenant Colonel Alexander Litvinenko, a retired member of the Russian security services (FSB), died from radiation poisoning in London, UK, becoming the first known victim of lethal Polonium 210-induced acute radiation syndrome.
Sarotte, Mary Elise (2014). „A Broken Promise? What the West Really Told Moscow About NATO Expansion”. Foreign Affairs. 93 (5): 90—97. ISSN0015-7120. JSTOR24483307.
RAND, Russia's Hostile Measures: Combating Russian Gray Zone Aggression Against NATO in the Contact, Blunt, and Surge Layers of Competition (2020) online
rbc.ru
В квартире Немцова проводится обыск [A search is going on in Nemtsov's flat] (на језику: руски). Russia: RBK. 28. 2. 2015. Архивирано из оригинала 2. 3. 2015. г. Приступљено 28. 2. 2015.
Lars Molteberg Glomnes (25. 3. 2014). „Stoltenberg med hard Russland-kritikk” [Stoltenberg was met with fierce criticism from Russia]. Aftenposten (на језику: норвешки). Архивирано из оригинала 29. 3. 2014. г.
The State of the World's Human Rights (Internet Archive), Amnesty International 2009, Report on Jan–Dec 2008, p. 272: "In June [2008], the Office of the Prosecutor General announced that it had finished its investigation into the killing of human rights journalist Anna Politkovskaya, who was shot dead in Moscow in October 2006. Three men accused of involvement in her murder went on trial in November; all denied the charges. A fourth detainee, a former member of the Federal Security Services who had initially been detained in connection with the murder, remained in detention on suspicion of another crime. The person suspected of shooting Anna Politkovskaya had not been detained by the end of the year and was believed to be in hiding abroad."
В квартире Немцова проводится обыск [A search is going on in Nemtsov's flat] (на језику: руски). Russia: RBK. 28. 2. 2015. Архивирано из оригинала 2. 3. 2015. г. Приступљено 28. 2. 2015.
Sarotte, Mary Elise (2014). „A Broken Promise? What the West Really Told Moscow About NATO Expansion”. Foreign Affairs. 93 (5): 90—97. ISSN0015-7120. JSTOR24483307.