James, S., & Lahti, T. (2004). The natural step for communities: How cities and towns can change to sustainable practices. New Society Publishers.
Цитирование в стиле Чикаго (17-е изд.)James, Sarah, и Torbjörn Lahti. The Natural Step for Communities: How Cities and Towns Can Change to Sustainable Practices. Gabriola Island, B.C.: New Society Publishers, 2004.
Цитирование MLA (8-е изд.)James, Sarah, и Torbjörn Lahti. The Natural Step for Communities: How Cities and Towns Can Change to Sustainable Practices. New Society Publishers, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.