American Association of State Highway Officials. (1973). Construction manual for highway bridges and incidental structures. American Association of State Highway Officials.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Association of State Highway Officials. Construction Manual for Highway Bridges and Incidental Structures. Washington, D.C: American Association of State Highway Officials, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)American Association of State Highway Officials. Construction Manual for Highway Bridges and Incidental Structures. American Association of State Highway Officials, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.