Walters, M. J. (2004). Seven modern plagues and how we are causing them (Paperback edition.). Island Press.
Lua i Stíl Chicago (17ú heag.)Walters, Mark Jerome. Seven Modern Plagues and How We Are Causing Them. Paperback edition. Washington, District of Columbia: Island Press, 2004.
Lua MLA (9ú heag.)Walters, Mark Jerome. Seven Modern Plagues and How We Are Causing Them. Paperback edition. Island Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.