Callan, S., & Thomas, J. M. (1996). Environmental economics and management: Theory, policy, and applications. Irwin.
Cita Chicago (17th ed.)Callan, Scott, i Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. Chicago: Irwin, 1996.
Cita MLA (8th ed.)Callan, Scott, i Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. Irwin, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.