APA (7th ed.) Zitazioa
ebrary, Inc, & Leal Filho, W. (2012). Sustainable development at universities: New horizons. Peter Lang.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Walter Leal Filho. Sustainable Development at Universities: New Horizons. Frankfurt am Main: Peter Lang, 2012.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Walter Leal Filho. Sustainable Development at Universities: New Horizons. Peter Lang, 2012.
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