Cita APA (7th ed.)
Varshney R. S. (1977). Hydro power structure (2nd ed.). New Chand.
Cita Chicago (17th ed.)
Varshney R. S. Hydro Power Structure. 2nd ed. New Delhi: New Chand, 1977.
Cita MLA (9th ed.)
Varshney R. S. Hydro Power Structure. 2nd ed. New Chand, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.