Miller, G. (2010). Envronmental science 13 th ed. Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Miller, G.Tyler. Envronmental Science 13 Th Ed. Cengage Learning, 2010.
Lua MLA (8ú heag.)Miller, G.Tyler. Envronmental Science 13 Th Ed. Cengage Learning, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.