Kasriel, R. H. (1977). Undergraduate topology. R. E. Krieger Pub. Co..
芝加哥风格引文Kasriel, Robert Herman. Undergraduate Topology. Huntington, N.Y.: R. E. Krieger Pub. Co., 1977.
MLA引文Kasriel, Robert Herman. Undergraduate Topology. R. E. Krieger Pub. Co., 1977.
警告：这些引文格式不一定是100％准确.