@book{4841,
	author = {Cox, Joyce and Lambert, Joan},
	title = {Microsoft Office Professional 2010 Step by Step /},
	publisher = {Microsoft,},
	year = {c 2011.},
	address = {Washington :},
	note = {Includes index},
	url = {https://abiiid.wordpress.com/wp-content/uploads/2011/01/microsoft-office-professional-2010-step-by-step.pdf}
}