Sharma, D. (2013). Basics of environmental science. Advance Lenarner Press.
Chicago Edition CitationSharma, D.K. Basics of Environmental Science. New Delhi: Advance Lenarner Press, 2013.
ציטוט MLASharma, D.K. Basics of Environmental Science. Advance Lenarner Press, 2013.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.