Berry, J. (2003). Complete A-Z mathematics handbook.- 3rd ed (3rd ed.). Hodder& Stoughton.
Dyfyniad Arddull ChicagoBerry, John. Complete A-Z Mathematics Handbook.- 3rd Ed. 3rd ed. London: Hodder& Stoughton, 2003.
Dyfyniad MLABerry, John. Complete A-Z Mathematics Handbook.- 3rd Ed. 3rd ed. Hodder& Stoughton, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.