APA aipamena

Lomborg, B. (2009). Global crises, global solutions (2nd ed.). Cambridge University Press.

Chicago Style aipamena

Lomborg, Bjorn. Global Crises, Global Solutions. 2nd ed. Cambridge, [England]: Cambridge University Press, 2009.

MLA aipamena

Lomborg, Bjorn. Global Crises, Global Solutions. 2nd ed. Cambridge University Press, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.