Sydsaeter Knut. (2014). Essential Mathematics for Economic Analysis (4th.). Pearson.
Lua i Stíl Chicago (17ú heag.)Sydsaeter Knut. Essential Mathematics for Economic Analysis. 4th. Noida: Pearson, 2014.
Lua MLA (9ú heag.)Sydsaeter Knut. Essential Mathematics for Economic Analysis. 4th. Pearson, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.