Sharma, D. (2013). Basics of environmental science. Advance Lenarner Press.
Citación estilo ChicagoSharma, D.K. Basics of Environmental Science. New Delhi: Advance Lenarner Press, 2013.
Cita MLASharma, D.K. Basics of Environmental Science. Advance Lenarner Press, 2013.
Warning: These citations may not always be 100% accurate.