International Society of Soil Mechanics and Foundation Engineering. Belgian Group. (1958). Conference de Bruxelles 58 sur les problemes de pressions de terres: Brussels Conference 58 on earth pressure problems. Rapports: proceedings. International Society of Soil Mechanics.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Society of Soil Mechanics and Foundation Engineering. Belgian Group. Conference De Bruxelles 58 Sur Les Problemes De Pressions De Terres: Brussels Conference 58 on Earth Pressure Problems. Rapports: Proceedings. Bruxelles: International Society of Soil Mechanics, 1958.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Society of Soil Mechanics and Foundation Engineering. Belgian Group. Conference De Bruxelles 58 Sur Les Problemes De Pressions De Terres: Brussels Conference 58 on Earth Pressure Problems. Rapports: Proceedings. International Society of Soil Mechanics, 1958.