Sydsaeter, K., Strom, A., & Berck, P. (2005). Economists' mathematical manual (4th ed.). Springer.
Lua i Stíl Chicago (17ú heag.)Sydsaeter, Knut, Arne Strom, agus Peter Berck. Economists' Mathematical Manual. 4th ed. Berlin: Springer, 2005.
Lua MLA (9ú heag.)Sydsaeter, Knut, et al. Economists' Mathematical Manual. 4th ed. Springer, 2005.
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