Fletcher, H. (1971). Mathematics for schools: An integrated series. Addison-Wesley.
Dyfyniad Arddull ChicagoFletcher, Harold. Mathematics for Schools: An Integrated Series. London: Addison-Wesley, 1971.
Dyfyniad MLAFletcher, Harold. Mathematics for Schools: An Integrated Series. Addison-Wesley, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.