Khanna, M. L. (1997). Topology (5th ed.). Modern Book Centre.
Chicago-čujuhus (17. p.)Khanna, M. L. Topology. 5th ed. Meerut: Modern Book Centre, 1997.
MLA-čujuhus (9. p.)Khanna, M. L. Topology. 5th ed. Modern Book Centre, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.