Dyfyniad APA

De Souza, P. N., & Silva, J. (2010). Berkeley problems in mathematics (3rd ed.). Springer International.

Dyfyniad Arddull Chicago

De Souza, Paulo Ney, and Jorge-Nuno Silva. Berkeley Problems in Mathematics. 3rd ed. New Delhi: Springer International, 2010.

Dyfyniad MLA

De Souza, Paulo Ney, and Jorge-Nuno Silva. Berkeley Problems in Mathematics. 3rd ed. Springer International, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.