@book{130387,
	author = {Williams, Justin A.,},
	title = {The Cambridge companion to hip-hop /},
	publisher = {Cambridge University Press},
	year = {2015},
	series = {Cambridge companions to music},
	address = {United Kingdom},
	url = {http://www.loc.gov/catdir/enhancements/fy1512/2014032226-b.html}
}