APA (7th ed.) Zitazioa
Singh,Parbin. (2011). Civil engineering materials (6th ed.). S.K.Kataria.
Chicago Style (17th ed.) Zitazioa
Singh,Parbin. Civil Engineering Materials. 6th ed. New Delhi: S.K.Kataria, 2011.
MLA (9th ed.) Zitazioa
Singh,Parbin. Civil Engineering Materials. 6th ed. S.K.Kataria, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.