Cita APA (7th ed.)
James, L. D., & Lee, R. R. (1971). Economics of water resources planning. McGraw-Hill Book Co.
Cita Chicago (17th ed.)
James, L. Douglas, i Robert R. Lee. Economics of Water Resources Planning. New York: McGraw-Hill Book Co, 1971.
Cita MLA (9th ed.)
James, L. Douglas, i Robert R. Lee. Economics of Water Resources Planning. McGraw-Hill Book Co, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.