APA引文
Das, B. M., & Sobahan, K. (2018). Principles of Geotechnical Engineering (9th ed.). Cengage Learning.
芝加哥风格引文
Das, Braja M., 与 Khaled Sobahan. Principles of Geotechnical Engineering. 9th ed. New Delhi: Cengage Learning, 2018.
MLA引文
Das, Braja M., 与 Khaled Sobahan. Principles of Geotechnical Engineering. 9th ed. Cengage Learning, 2018.
警告：这些引文格式不一定是100％准确.