Journal of Environmental Health. National Environmental Health Association (NEHA).
Lua i Stíl Chicago (17ú heag.)Journal of Environmental Health. National Environmental Health Association (NEHA).
Lua MLA (9ú heag.)Journal of Environmental Health. National Environmental Health Association (NEHA).
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.