APA-ийн эшлэл(7 дахь хэвлэлт)

Das Braja M., S. (2019). Principles of Geotechnical Engineering (9th.). Cengage Publication.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Das Braja M., Sobham. Principles of Geotechnical Engineering. 9th. New Delhi: Cengage Publication, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Das Braja M., Sobham. Principles of Geotechnical Engineering. 9th. Cengage Publication, 2019.