SEIDL, J. (1984). Grammar in practice 2: With key. Oxford University Press.
芝加哥风格引文SEIDL, Jennifer. Grammar in Practice 2: With Key. Oxford: Oxford University Press, 1984.
MLA引文SEIDL, Jennifer. Grammar in Practice 2: With Key. Oxford University Press, 1984.
警告：这些引文格式不一定是100％准确.