Παραπομπή σε μορφή APA (7η εκδ.)

Harrington, H. J. (1991). Business process improvement: The breakthrough strategy for total quality, productivity, and competitiveness. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harrington, H. J. Business Process Improvement: The Breakthrough Strategy for Total Quality, Productivity, and Competitiveness. New York: McGraw-Hill, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Harrington, H. J. Business Process Improvement: The Breakthrough Strategy for Total Quality, Productivity, and Competitiveness. McGraw-Hill, 1991.