(1998). Family numbers: Using statistics. Carlton, Vic: Curriculum Corporation.
Dyfyniad Arddull ChicagoFamily Numbers: Using Statistics. Carlton, Vic: Curriculum Corporation, 1998.
Dyfyniad MLAFamily Numbers: Using Statistics. Carlton, Vic: Curriculum Corporation, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.