एपीए उद्धरण

Sunitha, T. (1994). Study of Cech closure spaces.

शिकागो स्टाइल उद्धरण

Sunitha, T.A. Study of Cech Closure Spaces. 1994.

एमएलए उद्धरण

Sunitha, T.A. Study of Cech Closure Spaces. 1994.