Popovics, S. (1998). Strength and related properties of concrete: A quantitative approach. New York: John Wiley and Sons.
Dyfyniad Arddull ChicagoPopovics, Sandor. Strength and Related Properties of Concrete: A Quantitative Approach. New York: John Wiley and Sons, 1998.
Dyfyniad MLAPopovics, Sandor. Strength and Related Properties of Concrete: A Quantitative Approach. New York: John Wiley and Sons, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.