Cita APA (7th ed.)

Sen & Amartya. (2009). The Idea of Justice. Allen Lane / Penguin Books.

Cita Chicago (17th ed.)

Sen i Amartya. The Idea of Justice. London: Allen Lane / Penguin Books, 2009.

Cita MLA (9th ed.)

Sen i Amartya. The Idea of Justice. Allen Lane / Penguin Books, 2009.