Varshney, R. (1986). Hydro-power structures: Including micro, mini and small power stations (3rd ed.). Nem Chand & Bros. Roorkee.
Cita Chicago (17th ed.)Varshney, R.S. Hydro-power Structures: Including Micro, Mini and Small Power Stations. 3rd ed. India: Nem Chand & Bros. Roorkee, 1986.
Cita MLA (9th ed.)Varshney, R.S. Hydro-power Structures: Including Micro, Mini and Small Power Stations. 3rd ed. Nem Chand & Bros. Roorkee, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.