APA stil citiranja

Ridley, M. (1997). The origins of virtue: The origins of virtue. London: Penguin Books.

Chicago stil citiranja

Ridley, Matt. The origins of virtue: The origins of virtue. London: Penguin Books, 1997.

MLA stil citiranja

Ridley, Matt. The origins of virtue: The origins of virtue. London: Penguin Books, 1997.

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