@book{2230,
	author = {American college of sports medicine ; senior editors, Roitman, Jeffrey L., Khalid W. Bibi; associate editor, Walter R. Thompson },
	title = {ACSM's certification review : ACSM certified personal trainer, ACSM registered clinical exercise specialist},
	publisher = {Lippincott Wlliams & Wilkins},
	year = {2006},
	edition = {2nd Edition }
}