Okada, S. (2000). Mathematics for elementary school, 5th grade. Gakkoh Tosho.
Dyfyniad Arddull ChicagoOkada, Shigeru. Mathematics for Elementary School, 5th Grade. Tokio: Gakkoh Tosho, 2000.
Dyfyniad MLAOkada, Shigeru. Mathematics for Elementary School, 5th Grade. Gakkoh Tosho, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.