APA (7th ed.) Citation

Desa Tushar N., Shrivastava R. L., & International Association of Engineers. Six sigma , a new direction to quality and productivity management.

Chicago Style (17th ed.) Citation

Desa Tushar N., Shrivastava R. L., and International Association of Engineers. Six Sigma , a New Direction to Quality and Productivity Management.

MLA (9th ed.) Citation

Desa Tushar N., et al. Six Sigma , a New Direction to Quality and Productivity Management.

Warning: These citations may not always be 100% accurate.