- Author: Hal R. Varian Joseph Farrell Carl Shapiro
- Language: English
- Year: 2005
- Author: Brian Kahin Hal R. Varian
- Language: English
- Year: 2000
- Author: Hal R. Varian
- Language: English
- Year: 1992
- Author: Carl Shapiro Hal R. Varian
- Language: English
- Year: 1998
- Author: Hal R. Varian
- Language: English
- Year: 1992
- Author: Hal R Varian
- Language: English
- Year: 2006
- Author: Hal R. Varian
- Language: English
- Year: 2005
- Author: Hal R. Varian
- Language: English
- Year: 2006
- Author: Hal R. Varian
- Language: English
- Year: 1992
- Author: Hal R. Varian
- Language: English
- Year: 1992
