Webb, E. T. (1981). Nonreactive measures in the social sciences (2nd ed.). Houghton Mifflin.
芝加哥风格引文Webb, Eugene T. Nonreactive Measures in the Social Sciences. 2nd ed. Boston: Houghton Mifflin, 1981.
MLA引文Webb, Eugene T. Nonreactive Measures in the Social Sciences. 2nd ed. Houghton Mifflin, 1981.
警告：这些引文格式不一定是100％准确.