Langacker, R. W. (2009). Investigations in cognitive grammar. Mouton de Gruyter.
芝加哥风格引文Langacker, Ronald W. Investigations in Cognitive Grammar. Berlin ; New York: Mouton de Gruyter, 2009.
MLA引文Langacker, Ronald W. Investigations in Cognitive Grammar. Mouton de Gruyter, 2009.
警告：这些引文格式不一定是100％准确.