Παραπομπή σε μορφή APA (7η εκδ.)

James, S., Lahti, T., & Robert, K. (2004). The natural step for communities: How cities and towns can change to sustainable practices. New Society Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

James, Sarah, Torbjorn Lahti, και Karl-Henrik Robert. The Natural Step for Communities: How Cities and Towns Can Change to Sustainable Practices. Gabriola Island, BC: New Society Publishers, 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

James, Sarah, et al. The Natural Step for Communities: How Cities and Towns Can Change to Sustainable Practices. New Society Publishers, 2004.