Dyfyniad APA

Polster, B., & Steinke, G. (2001). Geometries on surfaces. Cambridge ; New York: Cambridge University Press.

Dyfyniad Arddull Chicago

Polster, Burkard, và Gnter Steinke. Geometries On Surfaces. Cambridge ; New York: Cambridge University Press, 2001.

Dyfyniad MLA

Polster, Burkard, và Gnter Steinke. Geometries On Surfaces. Cambridge ; New York: Cambridge University Press, 2001.

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