Dyfyniad APA
Richeson, D. S. (2008). Euler's gem: The polyhedron formula and the birth of topology. Princeton University Press.
Dyfyniad Arddull Chicago
Richeson, David S. Euler's Gem: The Polyhedron Formula and the Birth of Topology. Princeton, N.J.: Princeton University Press, 2008.
Dyfyniad MLA
Richeson, David S. Euler's Gem: The Polyhedron Formula and the Birth of Topology. Princeton University Press, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.