Dyfyniad APA

Baker, H. F. (2010). Principles of geometry. University Press.

Dyfyniad Arddull Chicago

Baker, H. F. Principles of Geometry. Cambridge: University Press, 2010.

Dyfyniad MLA

Baker, H. F. Principles of Geometry. University Press, 2010.

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