Lua APA (7ú heag.)

(1974). McGraw-Hill encyclopedia of environmental science. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

McGraw-Hill Encyclopedia of Environmental Science. New York: McGraw-Hill, 1974.

Lua MLA (9ú heag.)

McGraw-Hill Encyclopedia of Environmental Science. McGraw-Hill, 1974.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.