APA aipamena

Das, B. M., & Sivakugan, N. (2017). Fundamentals of geotechnical engineering (Fifth edition.). Cengage Learning.

Chicago Style aipamena

Das, Braja M., and Nagaratnam Sivakugan. Fundamentals of Geotechnical Engineering. Fifth edition. Massachusetts: Cengage Learning, 2017.

MLA aipamena

Das, Braja M., and Nagaratnam Sivakugan. Fundamentals of Geotechnical Engineering. Fifth edition. Cengage Learning, 2017.