Walters, M. J. (2004). Seven modern plagues and how we are causing them (Paperback edition.). Island Press.
Chicago-čujuhus (17. p.)Walters, Mark Jerome. Seven Modern Plagues and How We Are Causing Them. Paperback edition. Washington, District of Columbia: Island Press, 2004.
MLA-čujuhus (9. p.)Walters, Mark Jerome. Seven Modern Plagues and How We Are Causing Them. Paperback edition. Island Press, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.