Auger, C. P. (1994). Information sources in Grey literature (3rd ed.). Bowker-Saur.
芝加哥风格引文Auger, Charles P. Information Sources in Grey Literature. 3rd ed. London: Bowker-Saur, 1994.
MLA引文Auger, Charles P. Information Sources in Grey Literature. 3rd ed. Bowker-Saur, 1994.
警告：这些引文格式不一定是100％准确.