Dyfyniad APA
Punmia, B. C., & Jain, A. K. (2014). Soil mechanics and foundations (16th ed.). Laxmi Pub.
Dyfyniad Arddull Chicago
Punmia, B. C., and Ashok Kumar/Jain Jain. Soil Mechanics and Foundations. 16th ed. Kolkata: Laxmi Pub, 2014.
Dyfyniad MLA
Punmia, B. C., and Ashok Kumar/Jain Jain. Soil Mechanics and Foundations. 16th ed. Laxmi Pub, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.