Gaya APA
Levitt, Steven D.. (2005).
Freakonomics A Rogue Economics Explores the Hidden Side of Everything .
New York:
HaperCollins.
Gaya Chicago
Levitt, Steven D..
Freakonomics A Rogue Economics Explores the Hidden Side of Everything.
New York:
HaperCollins,
2005.
Text.
Gaya MLA
Levitt, Steven D..
Freakonomics A Rogue Economics Explores the Hidden Side of Everything.
New York:
HaperCollins,
2005.
Text.
Gaya Turabian
Levitt, Steven D..
Freakonomics A Rogue Economics Explores the Hidden Side of Everything.
New York:
HaperCollins,
2005.
Print.