@book{3499,
	author = {Spiegel, Murray R. and Schiller, John J.},
	title = {Probability and statistics /},
	publisher = {McGraw-Hill,},
	year = {[2013]},
	series = {Schaum's outlines},
	address = {New York :},
	edition = {Fourth edition.},
	note = {Includes indexes.}
}