Das Braja M., S. (2019). Principles of Geotechnical Engineering (9th.). Cengage Publication.
芝加哥风格引文Das Braja M., Sobham. Principles of Geotechnical Engineering. 9th. New Delhi: Cengage Publication, 2019.
MLA引文Das Braja M., Sobham. Principles of Geotechnical Engineering. 9th. Cengage Publication, 2019.
警告：这些引文格式不一定是100％准确.