Kent, W., & Kent, R. T. (1915). The mechanical engineer's pocketbook: A reference-book of rules, tables, data, and formulae (9th edition, thoroughly revised with the assistance of Robert Thurston Kent.). John Wiley & sons.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kent, William, و Robert Thurston Kent. The Mechanical Engineer's Pocketbook: A Reference-book of Rules, Tables, Data, and Formulae. 9th edition, thoroughly revised with the assistance of Robert Thurston Kent. New York: John Wiley & sons, 1915.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Kent, William, و Robert Thurston Kent. The Mechanical Engineer's Pocketbook: A Reference-book of Rules, Tables, Data, and Formulae. 9th edition, thoroughly revised with the assistance of Robert Thurston Kent. John Wiley & sons, 1915.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.