SPIRO, T. G. (2002). CHEMISTRY OF ENVIRONMENTAL, 2 ND EDI. PHI.
Cita Chicago (17th ed.)SPIRO, T G. CHEMISTRY OF ENVIRONMENTAL, 2 ND EDI. NEW DELHI: PHI, 2002.
Cita MLA (9th ed.)SPIRO, T G. CHEMISTRY OF ENVIRONMENTAL, 2 ND EDI. PHI, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.