Oosterwal, D. P. (2010). The lean machine: How Harley Davidson drove top-line growth and profitabililty with revolutionary lean products development. Amacom.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Oosterwal, Dantor P. The Lean Machine: How Harley Davidson Drove Top-line Growth and Profitabililty with Revolutionary Lean Products Development. New York: Amacom, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Oosterwal, Dantor P. The Lean Machine: How Harley Davidson Drove Top-line Growth and Profitabililty with Revolutionary Lean Products Development. Amacom, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.