economically viable, 100 percent green community”: an innovative, self-sufficient dreamscape of renewable energy, electric cars and sustainable agriculture
Lauren Powell had been born in New Jersey in 1963 and learned to be self-sufficient at an early age. United States birth records 存档副本. [2016-12-12]. (原始内容存档于2020-10-11)
in Thun for Swissinfo, May 27, 2008 Russian 'Silicon Valley' to be self-sufficient in 5-7 years - Vekselberg (页面存档备份,存于互联网档案馆) March 23, 2010, RIA Novosti
distribution archive (commonly called a tarball) test that this archive is self-sufficient, and in particular that the program can be compiled in a directory