Dyfyniad APA

Sydsaeter Knut. (2014). Essential Mathematics for Economic Analysis (4th.). Pearson.

Dyfyniad Arddull Chicago

Sydsaeter Knut. Essential Mathematics for Economic Analysis. 4th. Noida: Pearson, 2014.

Dyfyniad MLA

Sydsaeter Knut. Essential Mathematics for Economic Analysis. 4th. Pearson, 2014.

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