Cita APA (7th ed.)

Kotz, S., & Johnson, N. L. (1993). Process capability indices. Chapman and Hall.

Cita Chicago (17th ed.)

Kotz, Samuel, i Norman Lloyd Johnson. Process Capability Indices. Londres: Chapman and Hall, 1993.

Cita MLA (9th ed.)

Kotz, Samuel, i Norman Lloyd Johnson. Process Capability Indices. Chapman and Hall, 1993.