Dyfyniad APA

De Souza, P. N., & Silva, J. (1998). Berkeley problems in mathematics. New York: Springer.

Dyfyniad Arddull Chicago

De Souza, Paulo Ney., và Jorge-Nuno Silva. Berkeley Problems in Mathematics. New York: Springer, 1998.

Dyfyniad MLA

De Souza, Paulo Ney., và Jorge-Nuno Silva. Berkeley Problems in Mathematics. New York: Springer, 1998.

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