Gusain, P. (1990). Renewable energy in India. Har-Anand in association with Vikas.
Cita Chicago (17th ed.)Gusain, P.P.S. Renewable Energy in India. Har-Anand in association with Vikas, 1990.
Cita MLA (8th ed.)Gusain, P.P.S. Renewable Energy in India. Har-Anand in association with Vikas, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.