Dyfyniad APA
Upitis, R. B., Phillips, E., & Higginson, W. (1997). Creative mathematics: Exploring children's understanding. Routledge.
Dyfyniad Arddull Chicago
Upitis, Rena Brigit, Eileen Phillips, and William Higginson. Creative Mathematics: Exploring Children's Understanding. London ; New York: Routledge, 1997.
Dyfyniad MLA
Upitis, Rena Brigit, et al. Creative Mathematics: Exploring Children's Understanding. Routledge, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.