Champine, G. A. (1979). Fine Particulate Pollution. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Champine, George A. Fine Particulate Pollution. ELSEVIER, 1979.
Lua MLA (8ú heag.)Champine, George A. Fine Particulate Pollution. ELSEVIER, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.