Dyfyniad APA
Singh,Parbin. (2011). Civil engineering materials (6th ed.). S.K.Kataria.
Dyfyniad Arddull Chicago
Singh,Parbin. Civil Engineering Materials. 6th ed. New Delhi: S.K.Kataria, 2011.
Dyfyniad MLA
Singh,Parbin. Civil Engineering Materials. 6th ed. S.K.Kataria, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.