O'Brien, G., & O'Keefe, P. (2013). Managing adaptation to climate risk. Routledge.
Chicago Style (17th ed.) ZitazioaO'Brien, Geoff, eta Philip O'Keefe. Managing Adaptation to Climate Risk. Abingdon, Oxon: Routledge, 2013.
MLA (9th ed.) ZitazioaO'Brien, Geoff, eta Philip O'Keefe. Managing Adaptation to Climate Risk. Routledge, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.