Kotz, S., & Johnson, N. L. (1993). Process capability indices. Chapman and Hall.
Chicago Style (17th ed.) ZitazioaKotz, Samuel, eta Norman Lloyd Johnson. Process Capability Indices. Londres: Chapman and Hall, 1993.
MLA (9th ed.) ZitazioaKotz, Samuel, eta Norman Lloyd Johnson. Process Capability Indices. Chapman and Hall, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.