Maxwell, N. I. (2014). Understanding environmental health: How we live in the world (2nd ed.). Jones & Bartlett Learning.
Lua i Stíl Chicago (17ú heag.)Maxwell, Nancy Irwin. Understanding Environmental Health: How We Live in the World. 2nd ed. Burlington, Mass.: Jones & Bartlett Learning, 2014.
Lua MLA (8ú heag.)Maxwell, Nancy Irwin. Understanding Environmental Health: How We Live in the World. 2nd ed. Jones & Bartlett Learning, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.