Beckerman. The Ecology of the BarÃ. University of Texas Press.
芝加哥风格引文Beckerman. The Ecology of the BarÃ. University of Texas Press.
MLA引文Beckerman. The Ecology of the BarÃ. University of Texas Press.
警告：这些引文格式不一定是100％准确.
APA引文