APA Citatie

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

Chicago Style citaat

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

MLA citatie

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