Dyfyniad APA

Gardiner, T. (2016). Teaching mathematics at secondary level. Open Book Publishers.

Dyfyniad Arddull Chicago

Gardiner, Tony. Teaching Mathematics at Secondary Level. Cambridge, UK: Open Book Publishers, 2016.

Dyfyniad MLA

Gardiner, Tony. Teaching Mathematics at Secondary Level. Open Book Publishers, 2016.

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