BRIDGES, E. (1979). World soils.-- Ed.2. Cambridge University Press.
芝加哥风格引文BRIDGES, E.M. World Soils.-- Ed.2. Cambridge: Cambridge University Press, 1979.
MLA引文BRIDGES, E.M. World Soils.-- Ed.2. Cambridge University Press, 1979.
警告：这些引文格式不一定是100％准确.