TODD, D. K. (1959). Ground water hydrology. John Wiley.
Cita Chicago (17th ed.)TODD, David Keith. Ground Water Hydrology. New York: John Wiley, 1959.
Cita MLA (9th ed.)TODD, David Keith. Ground Water Hydrology. John Wiley, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.