1Hopper, Robert A, David E,et al. Structure and Finances of U.S. Farms: Family Farm Report, 2010 Edition [R]. USDA, Economics Research Service, 2010.7.
8O.M. Moreno-P e rez et al. Breaking down the growth of family farms: A case study of an intensive Mediterranean agriculture [J].Agricultural Systems, 2011 (104) .
9S.M. Inwood, J.S. Sharp. Farm persistence and adaptation at the rural- urban interface: Succession and farm adjustment [J].Journal of Rural Studies, 2012 ( 28 ) .
10C. Barbieri, C. Valdivia. Recreation and agroforestry: Examining new dimensions of multifunctionality in family farms [J].Journal of Rural Studies, 2010 ( 26 ) .
