Levitt, S. D., & Dubner, S. J. (2005). FREAKONOMICS: A Rogue Economist Explores the Hidden Side of Everything. William Morrow.
Chicago-čujuhus (17. p.)Levitt, Steven D., juo Stephen J. Dubner. FREAKONOMICS: A Rogue Economist Explores the Hidden Side of Everything. New York: William Morrow, 2005.
MLA-čujuhus (9. p.)Levitt, Steven D., juo Stephen J. Dubner. FREAKONOMICS: A Rogue Economist Explores the Hidden Side of Everything. William Morrow, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.