Jeffrey, A. (1974). Basic Mathematics for engineers and technologists. Nelson.
Dyfyniad Arddull ChicagoJeffrey, Alan. Basic Mathematics for Engineers and Technologists. London: Nelson, 1974.
Dyfyniad MLAJeffrey, Alan. Basic Mathematics for Engineers and Technologists. Nelson, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.