APA (7th ed.) Zitazioa
Elliott, J. A. (1999). An Introduction to sustainable development (2nd ed.). Routledge.
Chicago Style (17th ed.) Zitazioa
Elliott, Jennifer A. An Introduction to Sustainable Development. 2nd ed. London ; New York: Routledge, 1999.
MLA (9th ed.) Zitazioa
Elliott, Jennifer A. An Introduction to Sustainable Development. 2nd ed. Routledge, 1999.
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