Gaya APA
What is Six Sigma?. (2003).
New York:
[s.n.].
Gaya Chicago
What is Six Sigma?.
ed. 1.
New York:
[s.n.],
2003.
Text.
Gaya MLA
What is Six Sigma?.
ed. 1.
New York:
[s.n.],
2003.
Text.
Gaya Turabian
What is Six Sigma?.
New York:
[s.n.],
2003.
Print.