Kemp, D. D. (1996). Global environmental issues: A climatological appreach (2nd ed.). Routledge.
Cita Chicago (17th ed.)Kemp, David D. Global Environmental Issues: A Climatological Appreach. 2nd ed. London: Routledge, 1996.
Cita MLA (9th ed.)Kemp, David D. Global Environmental Issues: A Climatological Appreach. 2nd ed. Routledge, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.