1. Location and Land Use: Toward a General Theory of Land Rent;Alonso,1964
2. BBS (Beijing Bureau of Statistics), 2002. Tabulation on the 2000 Population Census of Beijing. China Statistics Press, Beijing.
3. The Danwei: sociospatial characteristics of work units in China’s urban society;Björklund;Economic Geography,1986
4. Gender differences in the journey to work;Blumen;Urban Geography,1994
5. Structural Equations with Latent Variables;Bollen,1989