Luoma, S. N. (1984). Introduction to environmental issues. MacMillan.
Lua i Stíl Chicago (17ú heag.)Luoma, Samuel N. Introduction to Environmental Issues. London: MacMillan, 1984.
Lua MLA (9ú heag.)Luoma, Samuel N. Introduction to Environmental Issues. MacMillan, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.