APA-Zitierstil (7. Ausg.)

Crosby, P. B. (1996). Quality is still free: Making quality certain in uncertain times. McGraw-Hill.

Chicago-Zitierstil (17. Ausg.)

Crosby, Philip B. Quality Is Still Free: Making Quality Certain in Uncertain Times. New York [u.a.]: McGraw-Hill, 1996.

MLA-Zitierstil (9. Ausg.)

Crosby, Philip B. Quality Is Still Free: Making Quality Certain in Uncertain Times. McGraw-Hill, 1996.