@book{41515,
	author = {Booth, Wayne C and Colomb, Gregory G.},
	title = {The craft of research /},
	publisher = {University of Chicago press,},
	year = {c2003.},
	address = {Chicago :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/description/uchi051/2002015184.html}
}