APA (7th ed.) Zitazioa
Krishna Raju. (1988). Design of concrete mixes (3rd ed.). CBS.
Chicago Style (17th ed.) Zitazioa
Krishna Raju. Design of Concrete Mixes. 3rd ed. New Delhi: CBS, 1988.
MLA (9th ed.) Zitazioa
Krishna Raju. Design of Concrete Mixes. 3rd ed. CBS, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.