Oosterwal, D. P. (2010). The lean machine: How Harley Davidson drove top-line growth and profitabililty with revolutionary lean products development. Amacom.
Lua i Stíl Chicago (17ú heag.)Oosterwal, Dantor P. The Lean Machine: How Harley Davidson Drove Top-line Growth and Profitabililty with Revolutionary Lean Products Development. New York: Amacom, 2010.
Lua MLA (9ú heag.)Oosterwal, Dantor P. The Lean Machine: How Harley Davidson Drove Top-line Growth and Profitabililty with Revolutionary Lean Products Development. Amacom, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.