एपीए उद्धरण

Spilsbury, L. (2010). Wonderful Ecosystems. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Spilsbury, Louise. Wonderful Ecosystems. Oxford: Oxford University Press, 2010.

एमएलए उद्धरण

Spilsbury, Louise. Wonderful Ecosystems. Oxford: Oxford University Press, 2010.