APA引文

Engelking, R. (1989). General topology (Revised and complete ed.). Berlin: Heldermann Verlag.

Trích dẫn kiểu Chicago

Engelking, Ryszard. General Topology. Revised and complete ed. Berlin: Heldermann Verlag, 1989.

MLA引文

Engelking, Ryszard. General Topology. Revised and complete ed. Berlin: Heldermann Verlag, 1989.

警告：這些引文格式不一定是100％准確.