@book{52985,
	author = {Easton, Thomas A.},
	title = {Environmental studies /},
	publisher = {McGraw-Hill Higher Education,},
	year = {c2012},
	address = {Boston, MA :},
	edition = {4th ed.},
	note = {Previous editions (1997, 2000), with the title Sources : notable selections in environmental studies, were edited by Theodore D. Goldfarb}
}