@book{18106,
	author = {Hertzel, David},
	title = {The world history workbook.},
	publisher = {Rowman & Littlefield,},
	year = {c2009},
	address = {Lanham :},
	note = {Description based on print version record},
	url = {http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=267867}
}