Sigman, H. Cross-media pollution: Responses to restrictions on chlorinated solvent releases. Land economics..
Cita Chicago (17th ed.)Sigman, Hilary. "Cross-media Pollution: Responses to Restrictions on Chlorinated Solvent Releases." Land Economics. .
Cita MLA (9th ed.)Sigman, Hilary. "Cross-media Pollution: Responses to Restrictions on Chlorinated Solvent Releases." Land Economics., .
Atenció: Aquestes cites poden no estar 100% correctes.