Dyfyniad APA

Clemson, D., & Clemson, W. (1994). Mathematics in the early years. Routledge.

Dyfyniad Arddull Chicago

Clemson, David, and Wendy Clemson. Mathematics in the Early Years. London: Routledge, 1994.

Dyfyniad MLA

Clemson, David, and Wendy Clemson. Mathematics in the Early Years. Routledge, 1994.

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