एपीए उद्धरण

Harris, D. (1971). Structures in topology. American Mathematical Society.

शिकागो स्टाइल उद्धरण

Harris, Douglas. Structures in Topology. Providence, R.I.: American Mathematical Society, 1971.

एमएलए उद्धरण

Harris, Douglas. Structures in Topology. American Mathematical Society, 1971.