APA
Robert D.Holtz, Kouacs & Sheamham. (2011). An Introduction to Geotechnical Engineering,Ed2. New Delhi: Pearson.
Chicago
Robert D.Holtz, Kouacs and Sheamham. 2011. An Introduction to Geotechnical Engineering,Ed2. New Delhi: Pearson.
Harvard
Robert D.Holtz, Kouacs and Sheamham. (2011). An Introduction to Geotechnical Engineering,Ed2. New Delhi: Pearson.
MLA
Robert D.Holtz, Kouacs and Sheamham. An Introduction to Geotechnical Engineering,Ed2. New Delhi: Pearson. 2011.