Sen, A. (2017). Collective choice and social welfare expanded edition. Penguin Books.
Chicago-čujuhus (17. p.)Sen, Amartya. Collective Choice and Social Welfare Expanded Edition. UK: Penguin Books, 2017.
MLA-čujuhus (9. p.)Sen, Amartya. Collective Choice and Social Welfare Expanded Edition. Penguin Books, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.