Dyfyniad APA

Yelland, N., Diezmann, C., & Butler, D. (2014). Early mathematical explorations. Cambridge University Press.

Dyfyniad Arddull Chicago

Yelland, Nicola, Carmel Diezmann, and Deborah Butler. Early Mathematical Explorations. New York: Cambridge University Press, 2014.

Dyfyniad MLA

Yelland, Nicola, et al. Early Mathematical Explorations. Cambridge University Press, 2014.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.