Skidelsky,Robert. (2012). How much is enough?: Money and the good life. Penguin Books.
Chicago-referens (17:e uppl.)Skidelsky,Robert. How Much Is Enough?: Money and the Good Life. UK: Penguin Books, 2012.
MLA-referens (9:e uppl.)Skidelsky,Robert. How Much Is Enough?: Money and the Good Life. Penguin Books, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.