Bilmes, L., & Gould, W. S. (2009). The people factor: Strengthening America by investing in public service. Brookings Institution Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bilmes, Linda, و W. Scott Gould. The People Factor: Strengthening America by Investing in Public Service. Washington, D.C.: Brookings Institution Press, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bilmes, Linda, و W. Scott Gould. The People Factor: Strengthening America by Investing in Public Service. Brookings Institution Press, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.