1. for an insightful look into the agenda-setting process for the G20 Summit in Seoul;See Se-Jeong;Meeting Shows Hassle in G-20 Agenda Setting' (The Korea Times,2010
2. Revisiting the Lisbon Treaty's Constitutional Design of EU External Relations
3. See the website of G20 Watch of the Melbourne School of Government, Hilary Blackman;What is a Sherpa?' (G20 Watch,2014