ScienceDirect (Online service). Topology. Pergamon Press.
Chicagoスタイル(17版)引用形式ScienceDirect (Online service). Topology. Oxford ; New York: Pergamon Press.
MLA(8版)引用形式ScienceDirect (Online service). Topology. Pergamon Press.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式