Bird, J. O. (1997). Newnes mathematics pocket book for engineers (2nd ed.). Oxford: Newnes.
Dyfyniad Arddull ChicagoBird, J. O. Newnes Mathematics Pocket Book for Engineers. 2nd ed. Oxford: Newnes, 1997.
Dyfyniad MLABird, J. O. Newnes Mathematics Pocket Book for Engineers. 2nd ed. Oxford: Newnes, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.