Frederiksen, H. D. (1992). Drought planning and water efficien-: Cy implications in water resources management. The World Bank.
Cita Chicago Style (17a ed.)Frederiksen, Harald D. Drought Planning and Water Efficien-: Cy Implications in Water Resources Management. Washington D.C: The World Bank, 1992.
Cita MLA (9a ed.)Frederiksen, Harald D. Drought Planning and Water Efficien-: Cy Implications in Water Resources Management. The World Bank, 1992.
Precaución: Estas citas no son 100% exactas.