APA-viite (7. p.)

Chowdhury, S. (2001). The power of six sigma. Pearson Education Asia.

Chicago-viite (17. p.)

Chowdhury, Subir. The Power of Six Sigma. Delhi: Pearson Education Asia, 2001.

MLA-viite (9. p.)

Chowdhury, Subir. The Power of Six Sigma. Pearson Education Asia, 2001.