Ritter Resources

year of publication	ISBN	author(s)	title
2001	978-0-9706839-0-8	Michael Brassard · Diane Ritter	Sailing Through Six Sigma (A pacerPilot Guide)
2002	978-0-9706839-2-2	Michael Brassard · Diane Ritter	Sailing Through Six Sigma - Book & CD Set