(1983). Global change: A biogeochemical perspective.
Lua i Stíl Chicago (17ú heag.)Global Change: A Biogeochemical Perspective. 1983.
Lua MLA (9ú heag.)Global Change: A Biogeochemical Perspective. 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.