Gaya APA

Swanson, C, P., Varshney, R. (NULL). Hydro-power structures . New: New Delhi: Nem Chand & Bros Roorkee; 1977.

Gaya MLA

Swanson, Carl, P.., Varshney, R.S.. "Hydro-power structures". New: New Delhi: Nem Chand & Bros Roorkee; 1977, NULL. Text.