APA (7th ed.) Zitazioa
Miller, G. T. (1997). Sustaining the earth: An integrated approach (3rd ed.). Wadsworth Pub. Co..
Chicago Style (17th ed.) Zitazioa
Miller, G. Tyler. Sustaining the Earth: An Integrated Approach. 3rd ed. New York: Wadsworth Pub. Co., 1997.
MLA (9th ed.) Zitazioa
Miller, G. Tyler. Sustaining the Earth: An Integrated Approach. 3rd ed. Wadsworth Pub. Co., 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.