De Souza, P. N., & Silva, J. (2010). Berkeley problems in mathematics (3rd ed.). Springer International.
Čikaški stil citiranjaDe Souza, Paulo Ney, i Jorge-Nuno Silva. Berkeley Problems in Mathematics. 3rd ed. New Delhi: Springer International, 2010.
MLA način citiranjaDe Souza, Paulo Ney, i Jorge-Nuno Silva. Berkeley Problems in Mathematics. 3rd ed. Springer International, 2010.
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