Cita APA (7th ed.)
Saeed, S. H., & Sharma, D. K. (2012). Non-conventional energy resources (3rd ed.). S.K.Kataria & Sons.
Cita Chicago (17th ed.)
Saeed, S. Hasan, i D. K. Sharma. Non-conventional Energy Resources. 3rd ed. New Delhi: S.K.Kataria & Sons, 2012.
Cita MLA (9th ed.)
Saeed, S. Hasan, i D. K. Sharma. Non-conventional Energy Resources. 3rd ed. S.K.Kataria & Sons, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.