Dyfyniad APA
Raj, P. P. (2008). Soil mechanics and foundation engineering. Pearson Education.
Dyfyniad Arddull Chicago
Raj, P. Purushothama. Soil Mechanics and Foundation Engineering. New Delhi: Pearson Education, 2008.
Dyfyniad MLA
Raj, P. Purushothama. Soil Mechanics and Foundation Engineering. Pearson Education, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.