Gaya APA
DKK, I., C. (2016).
VISUAL SIX SIGMA: MAKING DATA ANALYSIS LEAN .
UNITED STATES OF AMERICA:
John Wiley & Sons Inc.
Gaya MLA
DKK, IAN, COX.
"VISUAL SIX SIGMA: MAKING DATA ANALYSIS LEAN".
UNITED STATES OF AMERICA:
John Wiley & Sons Inc,
2016.
Buku Inti.