ebrary, Inc, Bork, I., & Mohler, P. P. (1994). Trends and perspectives in empirical social research. W. de Gruyter.
芝加哥风格引文ebrary, Inc, Ingwer Bork, 与 Peter Ph Mohler. Trends and Perspectives in Empirical Social Research. Berlin ; New York: W. de Gruyter, 1994.
MLA引文ebrary, Inc, et al. Trends and Perspectives in Empirical Social Research. W. de Gruyter, 1994.
警告：这些引文格式不一定是100％准确.