Gaya APA

Lomborg, B. (2013). How Much Have Global Problems Cost The World?: a Scorecard from 1900 to 2050 . New York: Cambridge University Press.

Gaya MLA

Lomborg, Bjorn. "How Much Have Global Problems Cost The World?: a Scorecard from 1900 to 2050". New York: Cambridge University Press, 2013. Text.