National Writing Centers Association (U.S.) & International Writing Centers Association. Writing lab newsletter. Dept. of English, Purdue University?].
芝加哥风格引文National Writing Centers Association (U.S.) 与 International Writing Centers Association. Writing Lab Newsletter. [West Lafayette, IN: Dept. of English, Purdue University?].
MLA引文National Writing Centers Association (U.S.) 与 International Writing Centers Association. Writing Lab Newsletter. Dept. of English, Purdue University?].
警告：这些引文格式不一定是100％准确.