Xu, M., & Robinson, A. H. (1970). The fidelity of isopleth maps: An experimental study. University of Minnesota Press.
芝加哥风格引文Xu, Meiling, 与 Arthur Howard Robinson. The Fidelity of Isopleth Maps: An Experimental Study. Minneapolis: University of Minnesota Press, 1970.
MLA引文Xu, Meiling, 与 Arthur Howard Robinson. The Fidelity of Isopleth Maps: An Experimental Study. University of Minnesota Press, 1970.
警告：这些引文格式不一定是100％准确.