| Freakonomics | Levitt, Steven D. | Penguin Books UK |
| Freakonomics (A Rogue Economist Explores The | Levitt, Steven D. | |
| Freakonomics | Levitt, Steven D. | Harpercollins |
| Freakonomics | Levitt, Steven D. | Harper Collins Publishers Ltd. |
| Freakonomics | Levitt, Steven D. | Harper Collins Publishers Ltd. Audio |
| Freakonomics | Levitt, Steven D. |
