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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Geotechnical Seminar Denver, Colo, American Society of Civil Engineers. Geo-Institute, Inc ebrary, và 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)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.