Gaya APA
Levitt, Steven D. (2009).
Freakonomics .
New York:
Harper.
Gaya Chicago
Levitt, Steven D.
Freakonomics.
New York:
Harper,
2009.
Non-fiction.
Gaya MLA
Levitt, Steven D.
Freakonomics.
New York:
Harper,
2009.
Non-fiction.
Gaya Turabian
Levitt, Steven D.
Freakonomics.
New York:
Harper,
2009.
Non-fiction.