APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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