Dyfyniad APA

Lomborg, B. (2007). Solutions for the world's biggest problems: Costs and benefits. Cambridge University Press.

Dyfyniad Arddull Chicago

Lomborg, Bjørn. Solutions for the World's Biggest Problems: Costs and Benefits. Cambridge ; New York: Cambridge University Press, 2007.

Dyfyniad MLA

Lomborg, Bjørn. Solutions for the World's Biggest Problems: Costs and Benefits. Cambridge University Press, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.