RIBENBOIM, P. (1979). Thirteen lectures on Fermat's last theorem. Springer-Verlag.
Cita Chicago (17th ed.)RIBENBOIM, Paulo. Thirteen Lectures on Fermat's Last Theorem. New York: Springer-Verlag, 1979.
Cita MLA (9th ed.)RIBENBOIM, Paulo. Thirteen Lectures on Fermat's Last Theorem. Springer-Verlag, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.