APA-viite (7. p.)

Harrington, H. J. (1987). The improvement process: How America's leading companies improve quality. McGraw-Hill.

Chicago-viite (17. p.)

Harrington, H. J. The Improvement Process: How America's Leading Companies Improve Quality. New York: McGraw-Hill, 1987.

MLA-viite (9. p.)

Harrington, H. J. The Improvement Process: How America's Leading Companies Improve Quality. McGraw-Hill, 1987.