@book{2130,
	author = {Walker, Orville C. and Mullins, John W.},
	title = {Marketing strategy :},
	publisher = {McGraw-Hill Irwin,},
	year = {c2008.},
	address = {Boston :},
	edition = {6th ed.},
	note = {Rev. ed. of: Marketing strategy / Orville C. Walker, Jr. ... [et al.]. 5th ed. c2006.},
	url = {http://www.loc.gov/catdir/enhancements/fy0743/2007034854-d.html}
}