6Wittman H, Desmarais A A, Wiebe N. The Origins and Potential of Food Sovereignty[M]//Wittman H, Desmarais A A, Wiebe N,eds. Food Sovereignty: Reconnecting Food, Nature and Community. Oakland, CA: Food First, 2010: 1-14.
7Huang P C C. The Peasant Economy and SociaJ Change Jn North China[M]. Stanford, US: Stanford University Press, 1985.