COX, G. W. (1976). General Ecology. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)COX, George W. General Ecology. McGraw-Hill, 1976.
Lua MLA (8ú heag.)COX, George W. General Ecology. McGraw-Hill, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.