Cope,R. J, & Sawko, F. T. (1982). Compuetr Methods for Civil Engineers. McGraw-Hill.
Dyfyniad Arddull ChicagoCope,R. J, and F Tickell Sawko. Compuetr Methods for Civil Engineers. London: McGraw-Hill, 1982.
Dyfyniad MLACope,R. J, and F Tickell Sawko. Compuetr Methods for Civil Engineers. McGraw-Hill, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.