SMITH, G. (1986). Probability and statistics in civil engineering: An in-troduction. Collins Professional and technical books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)SMITH, G.N. Probability and Statistics in Civil Engineering: An In-troduction. London: Collins Professional and technical books, 1986.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)SMITH, G.N. Probability and Statistics in Civil Engineering: An In-troduction. Collins Professional and technical books, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.