Udell, G. F., Bakker, M., & Klapper, L. (2004). Financing small and medium-size enterprises with factoring: Global growth and its potential in Eastern Europe. World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Udell, Gregory F., Marie-Renaee Bakker, و Leora Klapper. Financing Small and Medium-size Enterprises with Factoring: Global Growth and Its Potential in Eastern Europe. Washington, D.C: World Bank, 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Udell, Gregory F., et al. Financing Small and Medium-size Enterprises with Factoring: Global Growth and Its Potential in Eastern Europe. World Bank, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.