Purday, H. F. P. (1954). Linear equations in applied mechanics. Oliver and Boyd; Interscience Publishers.
Dyfyniad Arddull ChicagoPurday, Herbert Frank Percy. Linear Equations in Applied Mechanics. Edinburgh, New York: Oliver and Boyd; Interscience Publishers, 1954.
Dyfyniad MLAPurday, Herbert Frank Percy. Linear Equations in Applied Mechanics. Oliver and Boyd; Interscience Publishers, 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.