@book{43628,
	author = {Holden, Andrew},
	title = {Environment and tourism /},
	publisher = {Routledge,},
	year = {2008},
	address = {Abingdon, Oxon ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0719/2007023212.html}
}