Conrad, J. M. (2011). Resource economics (2nd ed.). Cambridge University Press.
Cita Chicago (17th ed.)Conrad, Jon M. Resource Economics. 2nd ed. New York: Cambridge University Press, 2011.
Cita MLA (8th ed.)Conrad, Jon M. Resource Economics. 2nd ed. Cambridge University Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.