Beck, M. B. (1987). Systems analysis in water quality management. Oxford, Eng : Pergamon.
芝加哥风格引文Beck, M. B. Systems Analysis in Water Quality Management. Oxford, Eng : Pergamon, 1987.
MLA引文Beck, M. B. Systems Analysis in Water Quality Management. Oxford, Eng : Pergamon, 1987.
警告：这些引文格式不一定是100％准确.