Beins, B. C. (2019). Research Methods (4th.). Cambridge University Press.
芝加哥风格引文Beins, Bernard C. Research Methods. 4th. Cambridge: Cambridge University Press, 2019.
MLA引文Beins, Bernard C. Research Methods. 4th. Cambridge University Press, 2019.
警告：这些引文格式不一定是100％准确.