Allen, Z. (1829). The science of mechanics, as applied to the present improvements in the useful arts in Europe, and in the United States of America: Adapted as a manual for mechanics and manufacturers, and containing tables and calculations of general practical utility. Hutchens & Cory.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Allen, Zachariah. The Science of Mechanics, as Applied to the Present Improvements in the Useful Arts in Europe, and in the United States of America: Adapted as a Manual for Mechanics and Manufacturers, and Containing Tables and Calculations of General Practical Utility. Providence: Hutchens & Cory, 1829.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Allen, Zachariah. The Science of Mechanics, as Applied to the Present Improvements in the Useful Arts in Europe, and in the United States of America: Adapted as a Manual for Mechanics and Manufacturers, and Containing Tables and Calculations of General Practical Utility. Hutchens & Cory, 1829.