American Congress on Surveying and Mapping & American Society of Photogrammetry. (1978). Proceedings of the American Congress on Surveying and Mapping Fall Convention. The Congress.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Congress on Surveying and Mapping و American Society of Photogrammetry. Proceedings of the American Congress on Surveying and Mapping Fall Convention. Washington D.C.: The Congress, 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American Congress on Surveying and Mapping و American Society of Photogrammetry. Proceedings of the American Congress on Surveying and Mapping Fall Convention. The Congress, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.