Gaya APA
PANDE, P., HOLPP, L.
(2005).
60 WHAT IS SIX SIGMA
(
1)
.
Yogyakarta:
ANDI.
Gaya MLA
PANDE, PETE., HOLPP, LARRY.
"60 WHAT IS SIX SIGMA".
1
Yogyakarta:
ANDI,
2005.
Text.