APA aipamena

Sen Amartya. (2017). Collective Choice and Social Welfare. Penguin Books.

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.