Parliament (UK): Townsend, Ian. "G20 & the November 2010 Seoul summit" (SN/EP/5028), 19 October 2010, retrieved 2011-04-07; excerpt, "Today, we designated the G-20 as the premier forum for our international economic cooperation" citing "Pittsburgh G20 Leaders’ summit communiqué," ¶50 September 29, 2009, retrieved 2011-04-07; excerpt, "Today, we designated the G-20 as the premier forum for our international economic cooperation. We have asked our representatives to report back at the next meeting with recommendations on how to maximize the effectiveness of our cooperation. We
agreed to have a G-20 Summit in Canada in June 2010, and in Korea in November 2010. We expect to meet annually thereafter, and will meet in France in 2011.
O'Malley, Sandra. O'Malley, Sandra (26 de junio de 2010). «Swan to take International Stage at G20». Sydney Morning Herald (Australia). Consultado el 28 de septiembre de 2010.
Parliament (UK): Townsend, Ian. "G20 & the November 2010 Seoul summit" (SN/EP/5028), 19 October 2010, retrieved 2011-04-07; excerpt, "Today, we designated the G-20 as the premier forum for our international economic cooperation" citing "Pittsburgh G20 Leaders’ summit communiqué," ¶50 September 29, 2009, retrieved 2011-04-07; excerpt, "Today, we designated the G-20 as the premier forum for our international economic cooperation. We have asked our representatives to report back at the next meeting with recommendations on how to maximize the effectiveness of our cooperation. We
agreed to have a G-20 Summit in Canada in June 2010, and in Korea in November 2010. We expect to meet annually thereafter, and will meet in France in 2011.