Hillis, D. R., & DuVall, J. B. (2012). Improving profitability through green manufacturing: Creating a profitable and environmentally compliant manufacturing facility. Wiley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hillis, David R., و John Barry DuVall. Improving Profitability Through Green Manufacturing: Creating a Profitable and Environmentally Compliant Manufacturing Facility. Hoboken, N.J.: Wiley, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hillis, David R., و John Barry DuVall. Improving Profitability Through Green Manufacturing: Creating a Profitable and Environmentally Compliant Manufacturing Facility. Wiley, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.