- Author: James D. Gwartney Richard L. Stroup Russell S. Sobel David A. Macpherson
- Language: English
- Year: 2020
- Author: James D. Gwartney Richard L. Stroup Russell S. Sobel David A. Macpherson
- Language: English
- Year: 2020
- Author: James D. Gwartney Richard L. Stroup Russell S. Sobel David A. Macpherson
- Language: English
- Year: 2012
- Author: James D. Gwartney Richard L. Stroup Russell S. Sobel David A. Macpherson
- Language: English
- Year: 2012