@book{15950,
	author = {Spiegel, Murray R. and Stephens, Larry J.},
	title = {Statistics /},
	publisher = {McGraw-Hill,},
	year = {2014},
	series = {Schaum’s outlines},
	address = {New York, NY :},
	edition = {5th ed.},
	note = {Include index},
	url = {http://mhebooklibrary.com.libraryumpsa.idm.oclc.org/doi/book/10.1036/9780071822770}
}