Gaya APA

PYZDEK, T., KELLER, P. (2023). THE SIX SIGMA HANDBOOK : A COMPLETE GUIDE FOR GREEN BETS, BLACK BELTS, AND MANAGERS AT ALL LEVELS (ED. 6). NEW YORK: McGraw Hill.

Gaya MLA

PYZDEK, THOMAS., KELLER, PAUL. "THE SIX SIGMA HANDBOOK : A COMPLETE GUIDE FOR GREEN BETS, BLACK BELTS, AND MANAGERS AT ALL LEVELS". ED. 6 NEW YORK: McGraw Hill, 2023. Text.