Geotechnical Seminar Denver, Colo, American Society of Civil Engineers. Geo-Institute, ebrary, Inc, & Goss, C. M. (2011). Geotrends: The progress of geological and geotechnical engineering in Colorado at the cusp of a new decade : proceedings of the 2010 Biennial Geotechnical Seminar, November 5, 2010, Denver, Colorado. American Society of Civil Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Geotechnical Seminar Denver, Colo, American Society of Civil Engineers. Geo-Institute, Inc ebrary, و Christoph M. Goss. Geotrends: The Progress of Geological and Geotechnical Engineering in Colorado at the Cusp of a New Decade : Proceedings of the 2010 Biennial Geotechnical Seminar, November 5, 2010, Denver, Colorado. Reston, Va.: American Society of Civil Engineers, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Geotechnical Seminar Denver, Colo, et al. Geotrends: The Progress of Geological and Geotechnical Engineering in Colorado at the Cusp of a New Decade : Proceedings of the 2010 Biennial Geotechnical Seminar, November 5, 2010, Denver, Colorado. American Society of Civil Engineers, 2011.