Gaya APA

Levitt, S, D., Hubner, S, J. (). Freakonomics: A Rogue Economist Explores the Hidden Side of Evertything . : Harpercollins.

Gaya MLA

Levitt, Steven, D., Hubner, Stephen, J. "Freakonomics: A Rogue Economist Explores the Hidden Side of Evertything". : Harpercollins, . .