توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

WELLS, D. A. (1967). Theory and problems of Lagrangian dynamics: With a treatment of Euler's equations of motion, Hamilton's equations and Hamilton's principle. McGraw-Hill.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

WELLS, Dare A. Theory and Problems of Lagrangian Dynamics: With a Treatment of Euler's Equations of Motion, Hamilton's Equations and Hamilton's Principle. New York: McGraw-Hill, 1967.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

WELLS, Dare A. Theory and Problems of Lagrangian Dynamics: With a Treatment of Euler's Equations of Motion, Hamilton's Equations and Hamilton's Principle. McGraw-Hill, 1967.