एपीए उद्धरण

Broughton, V. (2004). Essential classification. London: Facet.

शिकागो स्टाइल उद्धरण

Broughton, Vanda. Essential Classification. London: Facet, 2004.

एमएलए उद्धरण

Broughton, Vanda. Essential Classification. London: Facet, 2004.