Cita APA (7th ed.)

Sarkar, D. (2004). Lessons in six sigma. Response.

Cita Chicago (17th ed.)

Sarkar, Debashis. Lessons in Six Sigma. New delhi: Response, 2004.

Cita MLA (9th ed.)

Sarkar, Debashis. Lessons in Six Sigma. Response, 2004.