(1979). Beams On Elastic Foundation: Theory With Applications In The Fields Of Civil And Mechanical Engineering/m. Hetenyi. The university of michigan.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Beams On Elastic Foundation: Theory With Applications In The Fields Of Civil And Mechanical Engineering/m. Hetenyi. The university of michigan, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Beams On Elastic Foundation: Theory With Applications In The Fields Of Civil And Mechanical Engineering/m. Hetenyi. The university of michigan, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.