.Abbasi, S., & abbasi, n. (2005). Renewable energy sources and their environmental impact. Prentice Hall.
Cytowanie według stylu Chicago (wyd. 17).Abbasi, S.A, i naseema abbasi. Renewable Energy Sources and Their Environmental Impact. New delhi: Prentice Hall, 2005.
Cytowanie według stylu MLA (wyd. 9).Abbasi, S.A, i naseema abbasi. Renewable Energy Sources and Their Environmental Impact. Prentice Hall, 2005.