De Souza, P. N., & Silva, J. (2010). Berkeley problems in mathematics (3rd ed.). Springer International.
Chicago Style aipamenaDe Souza, Paulo Ney, and Jorge-Nuno Silva. Berkeley Problems in Mathematics. 3rd ed. New Delhi: Springer International, 2010.
MLA aipamenaDe Souza, Paulo Ney, and Jorge-Nuno Silva. Berkeley Problems in Mathematics. 3rd ed. Springer International, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.