Dyfyniad APA
Punmia, B. (1973). Soil mechanics and foundations. Standard Book House.
Dyfyniad Arddull Chicago
Punmia, B.G. Soil Mechanics and Foundations. New Delhi: Standard Book House, 1973.
Dyfyniad MLA
Punmia, B.G. Soil Mechanics and Foundations. Standard Book House, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.