WILLEMS, N., & LUCAS, W. M. (1968). Matrix analysis for structural engineers. Prentice-Hall International.
Dyfyniad Arddull ChicagoWILLEMS, Nicholas, and William M. LUCAS. Matrix Analysis for Structural Engineers. London: Prentice-Hall International, 1968.
Dyfyniad MLAWILLEMS, Nicholas, and William M. LUCAS. Matrix Analysis for Structural Engineers. Prentice-Hall International, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.