APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.