International Conference on Unsaturated Soils Carefree, Ariz, American Society of Civil Engineers. Geo-Institute, International Society of Soil Mechanics and Geotechnical Engineering. Technical Committee on Unsaturated Soils, Canadian Geotechnical Society, ebrary, Inc, & Miller, G. A. (2006). Unsaturated soils 2006: Proceedings of the Fourth International Conference on Unsaturated Soils, April 2-6, 2006, Carefree, Arizona. American Society of Civil Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Conference on Unsaturated Soils Carefree, Ariz, American Society of Civil Engineers. Geo-Institute, International Society of Soil Mechanics and Geotechnical Engineering. Technical Committee on Unsaturated Soils, Canadian Geotechnical Society, Inc ebrary, و Gerald A. Miller. Unsaturated Soils 2006: Proceedings of the Fourth International Conference on Unsaturated Soils, April 2-6, 2006, Carefree, Arizona. Reston, Va.: American Society of Civil Engineers, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Conference on Unsaturated Soils Carefree, Ariz, et al. Unsaturated Soils 2006: Proceedings of the Fourth International Conference on Unsaturated Soils, April 2-6, 2006, Carefree, Arizona. American Society of Civil Engineers, 2006.