Wroth, C., Randolph, M., Houlsby, G., & Fahey, M. (1979). A review of the engineering properties of soils, with particular reference to the shear modulus. Department of Engineering Science, University of Oxford.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wroth, CP, MF Randolph, GT Houlsby, و M. Fahey. A Review of the Engineering Properties of Soils, with Particular Reference to the Shear Modulus. Department of Engineering Science, University of Oxford, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wroth, CP, et al. A Review of the Engineering Properties of Soils, with Particular Reference to the Shear Modulus. Department of Engineering Science, University of Oxford, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.