APA
Dayal Maheshwar, . (1989). Renewable Energy. Konark, New Delhi: .
Chicago
Dayal Maheshwar, . 1989. Renewable Energy. Konark, New Delhi: .
Harvard
Dayal Maheshwar, . (1989). Renewable Energy. Konark, New Delhi: .
MLA
Dayal Maheshwar, . Renewable Energy. Konark, New Delhi: . 1989.