Indiana Society of Civil Engineers and Surveyors. Proceedings of the Indiana Society of Civil Engineers and Surveyors at its annual meeting.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Indiana Society of Civil Engineers and Surveyors. Proceedings of the Indiana Society of Civil Engineers and Surveyors at Its Annual Meeting. Logansport, Ind. [etc.].
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Indiana Society of Civil Engineers and Surveyors. Proceedings of the Indiana Society of Civil Engineers and Surveyors at Its Annual Meeting.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.