De, A. K. (2009). Environmental Chemistry (7th ed.). New Age International.
Cita Chicago (17th ed.)De, Anil Kumar. Environmental Chemistry. 7th ed. New Delhi: New Age International, 2009.
Cita MLA (9th ed.)De, Anil Kumar. Environmental Chemistry. 7th ed. New Age International, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.