7[2]Babbie,Earl R.The practice of Social Research [M].Belmont,CA:Wadsworth.1998.280,283,298.
8[4]中国大百科全书(社会学)[M].北京:中国大百科全书出版社,1991.336.
9[8]Bechhofer,F.Current Approach to Empirical Research:Some Central Ideas [A].In J.Rex (Ed.)Approaches to Sociology:An Introduction to Major Trends in British Sociology[C].London:Routledge & Kegan Paul,1974.73.
10[9]Lland,J.Analyzing Social Settings [M].Belmont,CA:Wadsworth.1995.127-145.
