APA-viite (7. p.)

Das, B. M., & Sobhan, K. (2014). Principles of geotechnical engineering (8th SI ed.). Cengage.

Chicago-viite (17. p.)

Das, Braja M., ja Khaled Sobhan. Principles of Geotechnical Engineering. 8th SI ed. Stamford, CT: Cengage, 2014.

MLA-viite (9. p.)

Das, Braja M., ja Khaled Sobhan. Principles of Geotechnical Engineering. 8th SI ed. Cengage, 2014.