Somlyódy, L., & Shanahan, P. (1998). Municipal wastewater treatment in Central and Eastern Europe: Present situation and cost-effective development strategies. World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Somlyódy, L., و Peter Shanahan. Municipal Wastewater Treatment in Central and Eastern Europe: Present Situation and Cost-effective Development Strategies. Washington, D.C.: World Bank, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Somlyódy, L., و Peter Shanahan. Municipal Wastewater Treatment in Central and Eastern Europe: Present Situation and Cost-effective Development Strategies. World Bank, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.