@book{129583,
	author = {Crandall, N. Fredric. and Wallace, Marc J., and ebrary, Inc.},
	title = {The headcount solution},
	publisher = {McGraw-Hill,},
	year = {c2003.},
	address = {New York :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10152949}
}