Ward, R. C. (1967). Principles of hydrology. McGraw-Hill.
Citación estilo ChicagoWard, R C. Principles of Hydrology. Newyork: McGraw-Hill, 1967.
Cita MLAWard, R C. Principles of Hydrology. McGraw-Hill, 1967.
Warning: These citations may not always be 100% accurate.