Gaya APA

Levitt, S, D., Dubner, S, J. (2005). Freakonomics: a rouge economist explores the hidden side of everything . New York: Harper.

Gaya MLA

Levitt, Steven, D., Dubner, Stephen, J. "Freakonomics: a rouge economist explores the hidden side of everything". New York: Harper, 2005. Art Original.