Kopp, E. (2020). Making up Numbers: A History of Invention in Mathematics. Open Book Publishers.
Cita Chicago (17th ed.)Kopp, Ekkehard. Making Up Numbers: A History of Invention in Mathematics. Open Book Publishers, 2020.
Cita MLA (9th ed.)Kopp, Ekkehard. Making Up Numbers: A History of Invention in Mathematics. Open Book Publishers, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.