Roberts, R. (2014). How Adam Smith can change your life: An unexpected guide to human nature and happiness. Portfolio/Penguin.
Citace podle Chicago (17th ed.)Roberts, Russell. How Adam Smith Can Change Your Life: An Unexpected Guide to Human Nature and Happiness. New York, New York: Portfolio/Penguin, 2014.
Citace podle MLA (9th ed.)Roberts, Russell. How Adam Smith Can Change Your Life: An Unexpected Guide to Human Nature and Happiness. Portfolio/Penguin, 2014.
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