@article {
	title = {College Textbook Prices Have Risen 1,041 Percent Since 1977},
	year = {2015},
	month = {08/2015},
	author = {Popken, Ben},
	keywords = {textbooks, cost, publishers, students},
	country = {United States},
	language = {en},
	publisher = {NBC News},
	volume = {2015},
	url = {http://www.nbcnews.com/feature/freshman-year/college-textbook-prices-have-risen-812-percent-1978-n399926},
}