COLLINGE, R. A. Economics by design#principles and issues#Robert A. Collinge, Ronald M. Ayers. New JerseyPrentice Hall.
Čikaški stil citiranja (17. izdanje)COLLINGE, Robert A. Economics by Design#principles and Issues#Robert A. Collinge, Ronald M. Ayers. New JerseyPrentice Hall.
MLA način citiranja (8. izdanje)COLLINGE, Robert A. Economics by Design#principles and Issues#Robert A. Collinge, Ronald M. Ayers. New JerseyPrentice Hall.
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