Ahmed, K. (1994). Renewable energy technologies: A review of the status and costs of selected technologies. World Bank.
Cita Chicago (17th ed.)Ahmed, Kulsum. Renewable Energy Technologies: A Review of the Status and Costs of Selected Technologies. Washington, D.C: World Bank, 1994.
Cita MLA (9th ed.)Ahmed, Kulsum. Renewable Energy Technologies: A Review of the Status and Costs of Selected Technologies. World Bank, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.