@book{3,
	author = {Knox, Paul L. and Marston, Sallie A.},
	title = {Human geography :},
	publisher = {Pearson,},
	year = {c2011.},
	address = {New York :},
	edition = {6th ed.},
	note = {Rev. ed. of: Places and regions in global context : Prentice Hall, c2010.}
}