Environmental influences. The Rockefeller University Press.
Lua i Stíl Chicago (17ú heag.)Environmental Influences. New York: The Rockefeller University Press.
Lua MLA (9ú heag.)Environmental Influences. The Rockefeller University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.