Cita APA (7th ed.)
ebrary, Inc, Kasperson, J. X., & Kasperson, R. E. (2001). Global environmental risk. United Nations University Press ; Earthscan.
Cita Chicago (17th ed.)
ebrary, Inc, Jeanne X. Kasperson, i Roger E. Kasperson. Global Environmental Risk. Tokyo ; New York : London: United Nations University Press ; Earthscan, 2001.
Cita MLA (9th ed.)
ebrary, Inc, et al. Global Environmental Risk. United Nations University Press ; Earthscan, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.