American Sociological Review, 23 (1958), 652-59. [15] [16] [17] [18] [19] [20] [20] [20] [20] [20] [20] [20] [20] [20] [20] [20] [20] [20] [20] [20] [20]
American Sociological Review ya mwaka 1958 iliandika hivi: