Todd, D. K. (1980). Groundwater Hydrology (2nd ed.). Wiley India.
Cita Chicago (17th ed.)Todd, David Keith. Groundwater Hydrology. 2nd ed. New Delhi: Wiley India, 1980.
Cita MLA (9th ed.)Todd, David Keith. Groundwater Hydrology. 2nd ed. Wiley India, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.