Cain, S. (2012). Quiet: The power of introverts in a world that can't stop talking. Crown Publishers.
Citazione stile Chigago Style (17a edizione)Cain, Susan. Quiet: The Power of Introverts in a World That Can't Stop Talking. New York: Crown Publishers, 2012.
Citatione MLA (9a ed.)Cain, Susan. Quiet: The Power of Introverts in a World That Can't Stop Talking. Crown Publishers, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.