SINGH, B., & GUPTA, D. (1981). Soil mechanics and foundation engineering for degree andAMIE sectin B (new scheme) diploma, final year students. Katson Publishing House.
Chicago-viite (17. p.)SINGH, Bharat, ja D.L GUPTA. Soil Mechanics and Foundation Engineering for Degree AndAMIE Sectin B (new Scheme) Diploma, Final Year Students. Ludhiana: Katson Publishing House, 1981.
MLA-viite (9. p.)SINGH, Bharat, ja D.L GUPTA. Soil Mechanics and Foundation Engineering for Degree AndAMIE Sectin B (new Scheme) Diploma, Final Year Students. Katson Publishing House, 1981.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.