APA引文

Knut Sydsaeter. (2014). Essential mathematics for economic analysis (4.). Dorling kindersley.

Chicago Edition Citation

Knut Sydsaeter. Essential Mathematics for Economic Analysis. 4. New Delhi: Dorling kindersley, 2014.

MLA引文

Knut Sydsaeter. Essential Mathematics for Economic Analysis. 4. Dorling kindersley, 2014.

警告：這些引文格式不一定是100％准確.