National Research Council of Canada, American Society for Testing and Materials, & Symposium on Laboratory Shear Testing of Soils. (1964). Laboratory shear testing of soils: A symposium. American Society for Testing and Materials.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council of Canada, American Society for Testing and Materials, و Symposium on Laboratory Shear Testing of Soils. Laboratory Shear Testing of Soils: A Symposium. Philadelphia, Pa.: American Society for Testing and Materials, 1964.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Research Council of Canada, et al. Laboratory Shear Testing of Soils: A Symposium. American Society for Testing and Materials, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.