APA-referens (7:e uppl.)
James, S., Lahti, T., & Robèrt, K. (2004). The natural step for communities: How cities and towns can change to sustainable practices. New Society Publishers.
Chicago-referens (17:e uppl.)
James, Sarah, Torbjörn Lahti, och Karl-Hendrik Robèrt. The Natural Step for Communities: How Cities and Towns Can Change to Sustainable Practices. Gabriola Island, B.C.: New Society Publishers, 2004.
MLA-referens (9:e uppl.)
James, Sarah, et al. The Natural Step for Communities: How Cities and Towns Can Change to Sustainable Practices. New Society Publishers, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.