Nobile, P., & Deedy, J. (1972). The complete ecology fact book. Anchor Books.
Lua i Stíl Chicago (17ú heag.)Nobile, Philip, agus John Deedy. The Complete Ecology Fact Book. Garden City, NY: Anchor Books, 1972.
Lua MLA (9ú heag.)Nobile, Philip, agus John Deedy. The Complete Ecology Fact Book. Anchor Books, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.