Παραπομπή APA

Beardon, A. F. (2005). Algebra and geometry. Cambridge University Press.

Παραπομπή Chicago Style

Beardon, Alan F. Algebra and Geometry. Cambridge, UK ; New York: Cambridge University Press, 2005.

Παραπομπή MLA

Beardon, Alan F. Algebra and Geometry. Cambridge University Press, 2005.