Dyfyniad APA

Sydsaeter, K., Strom, A., & Berck, P. (2005). Economists' mathematical manual (4th ed.). Springer.

Dyfyniad Arddull Chicago

Sydsaeter, Knut, Arne Strom, and Peter Berck. Economists' Mathematical Manual. 4th ed. Berlin: Springer, 2005.

Dyfyniad MLA

Sydsaeter, Knut, et al. Economists' Mathematical Manual. 4th ed. Springer, 2005.

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