7[10]Gleeson Brendan. Community care and disability: the limits to justice[J]. Progress in Human Geography,1997, 21(2): 199~224.
8吴晨光.有老无养,震荡社会[J].中国新闻周刊,2001,(3).
9徐声汉.在美国看老年人生活[J].大众医学,1995,(7).
10[13]Millward Hugh. Countryside recreational access in the United States: a statistical comparison of rural districts[J]. Annals of AAG, 1996,86(1) : 102~122.