Cita APA (7a ed.)

Schonberger, R. J. (1997). Operations management: Customer-focused principles. Irwin.

Cita Chicago Style (17a ed.)

Schonberger, Richard J. Operations Management: Customer-focused Principles. Chicago: Irwin, 1997.

Cita MLA (9a ed.)

Schonberger, Richard J. Operations Management: Customer-focused Principles. Irwin, 1997.