Ording, P. (2019). 99 variations on a proof. The MIT Press.
Cita Chicago (17th ed.)Ording, Philip. 99 Variations on a Proof. Cambridge, Massachusetts: The MIT Press, 2019.
Cita MLA (9th ed.)Ording, Philip. 99 Variations on a Proof. The MIT Press, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.