@book{13471,
	author = {AAKER, David. A and AAKER, David. A},
	title = {Developing Business Strategies / },
	publisher = {John Wiley & Sons, Inc,},
	year = {1998},
	address = {New Yourk:},
	edition = {5th ed.-},
	note = {Includes bibliograhic reference and index.}
}