DE ANIL KUMAR. (2006). ENVIRONMENTAL CHEMISTRY (6.). NEW AGE INTERNATIONAL PVT. LTD.
Cita Chicago (17th ed.)DE ANIL KUMAR. ENVIRONMENTAL CHEMISTRY. 6. NEW DELHI: NEW AGE INTERNATIONAL PVT. LTD, 2006.
Cita MLA (9th ed.)DE ANIL KUMAR. ENVIRONMENTAL CHEMISTRY. 6. NEW AGE INTERNATIONAL PVT. LTD, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.