Gupta, P. P. (1992). General Topology. Pragati Prakashan.
Chicago-čujuhus (17. p.)Gupta, P. P. General Topology. Meerut: Pragati Prakashan, 1992.
MLA-čujuhus (9. p.)Gupta, P. P. General Topology. Pragati Prakashan, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.