Strickland, W. (1826). Reports on canals, railways, roads, and other subjects, made to "The Pennsylvania Society for the Promotion of Internal Improvement.". H. C. Carey & I. Lea.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Strickland, William. Reports on Canals, Railways, Roads, and Other Subjects, Made to "The Pennsylvania Society for the Promotion of Internal Improvement.". Philadelphia: H. C. Carey & I. Lea, 1826.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Strickland, William. Reports on Canals, Railways, Roads, and Other Subjects, Made to "The Pennsylvania Society for the Promotion of Internal Improvement.". H. C. Carey & I. Lea, 1826.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.