@book{33992,
	author = {Booth, Wayne C. and Colomb, Gregory G.},
	title = {The craft of research /},
	publisher = {University of Chicago Press,},
	year = {c2008.},
	address = {Chicago :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip082/2007042761.html}
}