Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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