@book{1821,
	author = {Plog, Stanley C.},
	title = {Leisure travel :},
	publisher = {Pearson Prentice Hall,},
	year = {c2004.},
	address = {Upper Saddle River, N.J. :},
	url = {http://www.loc.gov/catdir/toc/ecip043/2003009830.html}
}