Sen, A. (2017). Collective choice and social welfare expanded edition. Penguin Books.
Citazione stile Chigago Style (17a edizione)Sen, Amartya. Collective Choice and Social Welfare Expanded Edition. UK: Penguin Books, 2017.
Citatione MLA (9a ed.)Sen, Amartya. Collective Choice and Social Welfare Expanded Edition. Penguin Books, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.