Das Braja M., S. (2019). Principles of Geotechnical Engineering (9th.). Cengage Publication.
Citazione stile Chigago Style (17a edizione)Das Braja M., Sobham. Principles of Geotechnical Engineering. 9th. New Delhi: Cengage Publication, 2019.
Citatione MLA (9a ed.)Das Braja M., Sobham. Principles of Geotechnical Engineering. 9th. Cengage Publication, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.