एपीए उद्धरण

Conrad, J. M. (1999). Resource economics. New York: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Conrad, Jon M. Resource Economics. New York: Cambridge University Press, 1999.

एमएलए उद्धरण

Conrad, Jon M. Resource Economics. New York: Cambridge University Press, 1999.