James, S., & Lahti, T. (2004). The natural step for communities: How cities and towns can change to sustainable practices. New Society Publishers.
Style de citation Chicago (17e éd.)James, Sarah, et Torbjörn Lahti. The Natural Step for Communities: How Cities and Towns Can Change to Sustainable Practices. Gabriola Island, B.C.: New Society Publishers, 2004.
Style de citation MLA (8e éd.)James, Sarah, et Torbjörn Lahti. The Natural Step for Communities: How Cities and Towns Can Change to Sustainable Practices. New Society Publishers, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.