@book{58596,
	author = {Heldman, Kim},
	title = {PMP :},
	publisher = {Wiley,},
	year = {c2011},
	series = {Sybex serious skills},
	address = {Indianapolis, Ind. :},
	edition = {6th ed.},
	note = {A study guide to : A guide to the project management body of knowledge (PMBOK guide), 4th ed.}
}