APA aipamena

Sen, A. (2017). Collective choice and social welfare expanded edition. Penguin Books.

Chicago Style aipamena

Sen, Amartya. Collective Choice and Social Welfare Expanded Edition. UK: Penguin Books, 2017.

MLA aipamena

Sen, Amartya. Collective Choice and Social Welfare Expanded Edition. Penguin Books, 2017.