@book{139,
	author = {Pressman, Roger S. and Maxim, Bruce R.},
	title = {Software engineering :},
	publisher = {McGraw-Hill Education, },
	year = {c2015},
	address = {New York : },
	edition = {8th ed. (International edition).},
	note = {Previous edition: 2010. 
Includes index.}
}