Cita APA (7th ed.)

Pande, P. S., & Holpp, L. (2002). What is six sigma? McGraw-Hill ; Tata McGraw Hill.

Cita Chicago (17th ed.)

Pande, Peter S., i Lawrence Holpp. What Is Six Sigma? New York : New Delhi: McGraw-Hill ; Tata McGraw Hill, 2002.

Cita MLA (8th ed.)

Pande, Peter S., i Lawrence Holpp. What Is Six Sigma? McGraw-Hill ; Tata McGraw Hill, 2002.