@book{351330,
	author = {Duiker, William J. and Spielvogel, Jackson J.,},
	title = {The essential world history.Volume II.Since 1500.},
	publisher = {WADSWORTH Cengage Learning.},
	year = {2011.},
	address = {Australia.},
	edition = {Sixth edition.},
	note = {Paper Cover}
}