एपीए उद्धरण

Sharma, J. (1975). Topology. Krishna prakashan mandir.

शिकागो स्टाइल उद्धरण

Sharma, J.N. Topology. Merut: Krishna prakashan mandir, 1975.

एमएलए उद्धरण

Sharma, J.N. Topology. Krishna prakashan mandir, 1975.