APA (7th ed.) Zitazioa
Keiner, M. (2006). The Future of Sustainability. Springer Netherlands. https://doi.org/10.1007/1-4020-4908-0
Chicago Style (17th ed.) Zitazioa
Keiner, Marco. The Future of Sustainability. Dordrecht: Springer Netherlands, 2006. https://doi.org/10.1007/1-4020-4908-0.
MLA (9th ed.) Zitazioa
Keiner, Marco. The Future of Sustainability. Springer Netherlands, 2006. https://doi.org/10.1007/1-4020-4908-0.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.