@book{76782,
	author = {Levin, Ginger and Ward, J. Leroy. and ESI International},
	title = {PgMP exam :},
	publisher = {CRC Press, Taylor & Francis Group,},
	year = {2013},
	series = {ESI international project management series},
	address = {Boca Raton :},
	edition = {4th ed.}
}