(2002). Air pollution (2nd ed.). Spon.
Cita Chicago (17th ed.)Air Pollution. 2nd ed. London: Spon, 2002.
Cita MLA (9th ed.)Air Pollution. 2nd ed. Spon, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.
(2002). Air pollution (2nd ed.). Spon.
Cita Chicago (17th ed.)Air Pollution. 2nd ed. London: Spon, 2002.
Cita MLA (9th ed.)Air Pollution. 2nd ed. Spon, 2002.