Houlsby, G., & Cassidy, M. (2011). A simplified mechanically based model for predicting partially drained behaviour of penetrometers and shallow foundations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Houlsby, G., و M. Cassidy. A Simplified Mechanically Based Model for Predicting Partially Drained Behaviour of Penetrometers and Shallow Foundations. 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Houlsby, G., و M. Cassidy. A Simplified Mechanically Based Model for Predicting Partially Drained Behaviour of Penetrometers and Shallow Foundations. 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.