[2017-04-23]. (原始内容存档于2020-03-08). Sir David Attenborough on the roots of Climatic problems. www.independent.co.uk. The Independent, UK broadsheet newspaper
[2019-12-22]. (原始内容 (PDF)存档于2018-10-24). (英文)Information on Indonesia ASEM Development conference II: Towards an Asia-Europe partnership for sustainable