Dole, D. (2002). Contingency calculations for environmental impacts with unknown monetary values. Asian Development Bank.
Cita Chicago (17th ed.)Dole, David. Contingency Calculations for Environmental Impacts with Unknown Monetary Values. Manila: Asian Development Bank, 2002.
Cita MLA (9th ed.)Dole, David. Contingency Calculations for Environmental Impacts with Unknown Monetary Values. Asian Development Bank, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.