ebrary, Inc, Russo, F., & Williamson, J. (2010). Key terms in logic. Continuum.
芝加哥风格引文ebrary, Inc, Federica Russo, 与 Jon Williamson. Key Terms in Logic. London ; New York: Continuum, 2010.
MLA引文ebrary, Inc, et al. Key Terms in Logic. Continuum, 2010.
警告：这些引文格式不一定是100％准确.