LITTLEJOHN, A., & DOFF, A. [. (1991). Writing 2. Cambridge Univ. Press.
芝加哥风格引文LITTLEJOHN, Andrew, 与 Adrian [ed.] DOFF. Writing 2. Cambridge: Cambridge Univ. Press, 1991.
MLA引文LITTLEJOHN, Andrew, 与 Adrian [ed.] DOFF. Writing 2. Cambridge Univ. Press, 1991.
警告：这些引文格式不一定是100％准确.