Gaya APA
Pande, P, S., Holpp, L.
(2005).
What Is Six Sigma: Berpikir Cepat Six Sigma
.
Yogyakarta:
ANDI.
Gaya MLA
Pande, Peter, S.., Holpp, Larry.
"What Is Six Sigma: Berpikir Cepat Six Sigma".
Yogyakarta:
ANDI,
2005.
Text.