Tohutoro APA (7th ed.)

Van der Ryn, S., & Cowan, S. (2007). Ecological design (10th anniversary ed.). Island Press.

Tohutoru Kātū Chicago (17th ed.)

Van der Ryn, Sim, me Stuart Cowan. Ecological Design. 10th anniversary ed. Washington, DC: Island Press, 2007.

Tohutoro MLA (9th ed.)

Van der Ryn, Sim, me Stuart Cowan. Ecological Design. 10th anniversary ed. Island Press, 2007.