APA Style
Gaspersz, V. (2007, 2011).
Lean Six Sigma for manufacturing and service Industries (Pertama, Revisi).
Jakarta:
Gramedia.
MLA Style
Gaspersz, Vincent.
"Lean Six Sigma for manufacturing and service Industries".
Pertama, Revisi
Jakarta:
Gramedia,
2007, 2011.
Text.