Cain, S. (2013). Quiet: The power of introverts in a world that can't stop talking. Penguin Books.
Citace podle Chicago (17th ed.)Cain, Susan. Quiet: The Power of Introverts in a World That Can't Stop Talking. London: Penguin Books, 2013.
Citace podle MLA (9th ed.)Cain, Susan. Quiet: The Power of Introverts in a World That Can't Stop Talking. Penguin Books, 2013.
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