Dyfyniad APA
Krishna , J., & Jain , O. (1971). Plain and reinforced concrete (7th ed.). New Chand & Bros.
Dyfyniad Arddull Chicago
Krishna , Jai, and O.P Jain. Plain and Reinforced Concrete. 7th ed. Delhi: New Chand & Bros, 1971.
Dyfyniad MLA
Krishna , Jai, and O.P Jain. Plain and Reinforced Concrete. 7th ed. New Chand & Bros, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.