Παραπομπή APA
Lomborg, B. (2007). Solutions for the world's biggest problems: Costs and benefits. Cambridge ; New York: Cambridge University Press.
Παραπομπή Chicago StyleLomborg, Bj"rn. Solutions for the World's Biggest Problems: Costs and Benefits. Cambridge ; New York: Cambridge University Press, 2007.
Παραπομπή MLALomborg, Bj"rn. Solutions for the World's Biggest Problems: Costs and Benefits. Cambridge ; New York: Cambridge University Press, 2007.
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