APA-viite (7. p.)

Creveling. Design for Six Sigma: In Technology and Product Development (1.). Pearson India.

Chicago-viite (17. p.)

Creveling. Design for Six Sigma: In Technology and Product Development. 1. Pearson India.

MLA-viite (8. p.)

Creveling. Design for Six Sigma: In Technology and Product Development. 1. Pearson India.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.