एपीए उद्धरण

Sachs, J. D. (2015). The age of sustainable development. New York: Columbia University Press.

शिकागो स्टाइल उद्धरण

Sachs, Jeffrey D. The Age of Sustainable Development. New York: Columbia University Press, 2015.

एमएलए उद्धरण

Sachs, Jeffrey D. The Age of Sustainable Development. New York: Columbia University Press, 2015.