Sachs, W. (2001). Rio + 10 and the north-south divide: An essay ([Electronic ed.].). Heinrich-Böll-Stiftung.
Chicago Style (17th ed.) CitationSachs, Wolfgang. Rio + 10 and the North-south Divide: An Essay. [Electronic ed.]. Berlin: Heinrich-Böll-Stiftung, 2001.
MLA (9th ed.) CitationSachs, Wolfgang. Rio + 10 and the North-south Divide: An Essay. [Electronic ed.]. Heinrich-Böll-Stiftung, 2001.
Warning: These citations may not always be 100% accurate.