Cita APA (7th ed.)
Abbasi, S. A., & Abbasi, N. (2001). Renewable energy sources and their environmental impact. Prentice Hall of India.
Cita Chicago (17th ed.)
Abbasi, S. A., i Naseema Abbasi. Renewable Energy Sources and Their Environmental Impact. New Delhi: Prentice Hall of India, 2001.
Cita MLA (9th ed.)
Abbasi, S. A., i Naseema Abbasi. Renewable Energy Sources and Their Environmental Impact. Prentice Hall of India, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.