@book{31426,
	author = {Booth, wayne C, Colomb, Gregory G and Williams, Joseph M and wayne C. Booth , Gregory G. Colomb and Joseph M. Williams},
	title = {The craft of research / },
	publisher = { University of Chicago press},
	year = {2005},
	address = {Chicago : },
	edition = {2ed.},
	note = {Includes bibliographical reference and index}
}