APA (7th ed.) Zitazioa

Wright, R. T. (2004). Environmental science: Toward a sustainable future. PHI.

Chicago Style (17th ed.) Zitazioa

Wright, Richard T. Environmental Science: Toward a Sustainable Future. New Delhi: PHI, 2004.

MLA (9th ed.) Zitazioa

Wright, Richard T. Environmental Science: Toward a Sustainable Future. PHI, 2004.