Cita APA (7a ed.)

Das, B. M., & Sobhan, K. (2018). Principles of geotechnical engineering (Ninth edition, SI.). Cengage Learning.

Cita Chicago Style (17a ed.)

Das, Braja M., y Khaled Sobhan. Principles of Geotechnical Engineering. Ninth edition, SI. Boston, USA: Cengage Learning, 2018.

Cita MLA (9a ed.)

Das, Braja M., y Khaled Sobhan. Principles of Geotechnical Engineering. Ninth edition, SI. Cengage Learning, 2018.