@book{130702,
	author = {Collins, Robert O., and Burns, James McDonald.},
	title = {A history of Sub-Saharan Africa /},
	publisher = {Cambridge University Press,},
	year = {2007.},
	address = {Cambridge ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0702/2006035055-d.html}
}