APA (7th ed.) Zitazioa
Rai, G. (2006). Non - Conventional Energy Sources (4th ed.). Khanna Publishers.
Chicago Style (17th ed.) Zitazioa
Rai, G.D. Non - Conventional Energy Sources. 4th ed. New Delhi: Khanna Publishers, 2006.
MLA (9th ed.) Zitazioa
Rai, G.D. Non - Conventional Energy Sources. 4th ed. Khanna Publishers, 2006.
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