Singh, M. P. (2004). Natural resources and renewable energy.
Chicago Edition CitationSingh, M P. Natural Resources and Renewable Energy. Delhi, Daya Publishing House, 2004.
ציטוט MLASingh, M P. Natural Resources and Renewable Energy. 2004.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.