Jha, J., & Sinha, S. (1983). Construction and Foundation Engineering (4th ed.). Khanna.
Dyfyniad Arddull ChicagoJha, Janardan, and S.K Sinha. Construction and Foundation Engineering. 4th ed. Delhi: Khanna, 1983.
Dyfyniad MLAJha, Janardan, and S.K Sinha. Construction and Foundation Engineering. 4th ed. Khanna, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.