एपीए उद्धरण

Pearce, D. W. (1993). World Without End: Economics, Enviroment, nad Sustainable Development. Oxford University.

शिकागो स्टाइल उद्धरण

Pearce, David W. World Without End: Economics, Enviroment, Nad Sustainable Development. New Delhi: Oxford University, 1993.

एमएलए उद्धरण

Pearce, David W. World Without End: Economics, Enviroment, Nad Sustainable Development. Oxford University, 1993.