Gundel, J. K. (1977). Role of topic and comment in linguistic theory. indiana University Linguistics Club.
芝加哥风格引文Gundel, Jeanette K. Role of Topic and Comment in Linguistic Theory. [Bloomington] Ind: indiana University Linguistics Club, 1977.
MLA引文Gundel, Jeanette K. Role of Topic and Comment in Linguistic Theory. indiana University Linguistics Club, 1977.
警告：这些引文格式不一定是100％准确.