Cita APA (7a ed.)

Antony, J., & Seow, C. (2004). Six sigma for operational excellence. Emerald Group Pub..

Cita Chicago Style (17a ed.)

Antony, Jiju, y Christopher Seow. Six Sigma for Operational Excellence. [Bradford, England]: Emerald Group Pub., 2004.

Cita MLA (8a ed.)

Antony, Jiju, y Christopher Seow. Six Sigma for Operational Excellence. Emerald Group Pub., 2004.